{
 "_meta": {
  "class": "deliberate_pair",
  "count": 11,
  "note": "Two pieces carrying the SAME one-off anomaly (typo, file, effect, statement). Each pair's shared defect appears on exactly these two pieces in 512. Exactly 11 pairs; #175 sits in two."
 },
 "pairs": [
  {
   "id": "P01",
   "members": [
    14,
    75
   ],
   "reason": "Byte-identical GIF files: #14 displays #75's animation. The only exact-duplicate pair in all 512.",
   "evidence": "file bytes (dupscan / odd-file census)",
   "source": "D2 ratified",
   "collector_call": "yes",
   "collector_note": "",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P02",
   "members": [
    479,
    480
   ],
   "reason": "The two held-frame pieces \u2014 one frame parked (delay) at f27 and f24 \u2014 and a shared one-off colour palette found nowhere else in the collection.",
   "evidence": "GIF delay tables + colour census",
   "source": "D2 ratified",
   "collector_call": "yes",
   "collector_note": "",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P03",
   "members": [
    209,
    300
   ],
   "reason": "Solar skullGAN and Lunar skullGAN: day and night. The solstice drop's first and last pieces.",
   "evidence": "names + drop bounds",
   "source": "D2 ratified",
   "collector_call": "yes",
   "collector_note": "",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P04",
   "members": [
    489,
    491
   ],
   "reason": "The scanline pair: both Frozen skullGANs share the scanline effect; #491 also carries the colour-speedup.",
   "evidence": "the collector's eye (D4 data update)",
   "source": "D2 ratified",
   "collector_call": "yes",
   "collector_note": "",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P05",
   "members": [
    130,
    133
   ],
   "reason": "The same background flash \u2014 the background flips into sine waves on both. qubitGAN #130 and its echo #133.",
   "evidence": "the collector's colour-flash finds",
   "source": "D2 ratified",
   "collector_call": "unsure",
   "collector_note": "Both have the effect, but so do others. He reads it as a family of four with #141 Dr Awkward and #174 Evil Olive, which he named the 'anchored zero eyes': zero-shaped eyes wider and taller than the background zeros, white eyes that stay anchored in place, a background that fills more of the square than the usual robo binary background, and the colour flash.",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P06",
   "members": [
    165,
    207
   ],
   "reason": "The two hand-painted number carriers: #165 carries '81', #207 carries '4'. Confirmed but flagged 'suss \u2014 could be coincidence' by the collector.",
   "evidence": "painted-mark census (D15/D16)",
   "source": "D2 ratified (suss)",
   "collector_call": "unsure",
   "collector_note": "Maybe. A third piece, #379, has 'AI' written in it on some frames; he would add it and make these a trio. He named the group 'embedded alphanumeric'.",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P07",
   "members": [
    363,
    473
   ],
   "reason": "Essences TRUE and FALSE \u2014 the only two, a matched statement. The collector's open idea: each may describe the piece's relationship to its own drop.",
   "evidence": "essence field",
   "source": "D2 ratified",
   "collector_call": "yes",
   "collector_note": "",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P08",
   "members": [
    16,
    100
   ],
   "reason": "Both titles spell 'Primoridal' \u2014 Primordial with two letters transposed. The only two in all 512.",
   "evidence": "exact-case chain names",
   "source": "D2 ratified (byte-verified)",
   "collector_call": "unsure",
   "collector_note": "",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P09",
   "members": [
    175,
    205
   ],
   "reason": "Both name suffixes are miscased 'Gan' instead of 'GAN' (skullGan / spookyGan). The only two in all 512; a cross-drop pair (robo + spooky).",
   "evidence": "exact-case chain names",
   "source": "D2 ratified",
   "collector_call": "unsure",
   "collector_note": "",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P10",
   "members": [
    9,
    73
   ],
   "reason": "Both Arweave filenames spell 'gltich' \u2014 Glitch with two letters transposed (009_s_silver_gltich.gif / 073_twin_gltich.gif). The only two in all 512. #73's Type field carries the same transposition ('Gltich').",
   "evidence": "Arweave filenames + chain Type field",
   "source": "NEW 2026-09-06 (swarm census, data-verified)",
   "collector_call": "unsure",
   "collector_note": "",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P11",
   "members": [
    170,
    175
   ],
   "reason": "Both SubTypes spell 'Raibow' \u2014 Rainbow missing its n. The only two in all 512. Note #175 also sits in pair P09 via its 'Gan' suffix.",
   "evidence": "chain SubType field",
   "source": "NEW 2026-09-06 (swarm census, data-verified)",
   "collector_call": "unsure",
   "collector_note": "",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P12",
   "members": [
    411,
    450
   ],
   "reason": "#450 (essence 'solution') and #411 (essence 'key') are the only two pieces that are an Entangled Skull skullGAN, and #450's only same-title earlier piece is #411. The collector also sees a key shape in #450's head in frames 45 to 47.",
   "evidence": "sheet title and traits; the collector's eye on the frame sheet",
   "source": "the collector, Solution Block Review 2026-09-20",
   "collector_call": "unsure",
   "collector_note": "He thinks so, but says he could be over-reading it.",
   "collector_call_date": "2026-09-21"
  },
  {
   "id": "P13",
   "members": [
    256,
    479
   ],
   "reason": "#479 (essence 'song') and #256 (essence 'bike') are the only two Inverted Glitch glitchGANs, and #479's only same-title earlier piece is #256. #479 also sits in pair P02 with #480.",
   "evidence": "sheet title and traits",
   "source": "the collector, Solution Block Review 2026-09-20",
   "collector_call": "no",
   "collector_note": "He would not pair these. He would sooner pair pieces that have exactly the same name.",
   "collector_call_date": "2026-09-21",
   "status": "withdrawn by the collector 2026-09-21"
  },
  {
   "id": "P14",
   "members": [
    145,
    150
   ],
   "reason": "Each looks like the other's label. #145 S1-b0rg cyberGAN is labelled Silver, with essence 'silver', but looks flaming. #150 Firebot roboGAN is labelled Flaming, with essence 'fire', but looks silver ('very blue/black'). On both pieces the name, SubType and essence agree with one another; only the picture disagrees.",
   "evidence": "sheet SubType and essence; the collector's robo-drop visual audit",
   "source": "the collector, robo-drop visual audit 2026-09-24",
   "collector_call": "yes",
   "collector_note": "He asked for this pair (2026-09-24).",
   "collector_call_date": "2026-09-24"
  },
  {
   "id": "P15",
   "members": [
    7,
    8
   ],
   "reason": "Their Dimensions look swapped. Every Fibonacci skull has 5 Dimensions except #8 Flaming blobGAN, which has 2. The only non-Fibonacci skull with 5 Dimensions is its neighbour, #7 Primordial Shimmer skullGAN. Swapping the two values would make the rule perfect.",
   "evidence": "sheet Dimensions against piece number (Pindar's Fibonacci class)",
   "source": "number-rules study, 2026-09-24",
   "collector_call": "yes",
   "collector_note": "He asked for this pair (2026-09-24), as an open hypothesis to revisit after all drops are visually reviewed.",
   "collector_call_date": "2026-09-24"
  }
 ]
}