Pith Number

pith:ZGUPXNWF

pith:2014:ZGUPXNWFATSKR2KJYEEPE6FIIZ

not attested not anchored not stored refs pending

Affordances Provide a Fundamental Categorization Principle for Visual Scenes

Andre Esteva, Christopher Baldassano, Diane M. Beck, Li Fei-Fei, Michelle R. Greene

arxiv:1411.5340 v1 · 2014-11-19 · q-bio.NC · cs.CV · cs.HC

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:34:39.203093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9a8fbb6c504e4a8e949c108f278a84667ab0f9dc6f165c07cc53c7774b0ce6b

Aliases

arxiv: 1411.5340 · arxiv_version: 1411.5340v1 · doi: 10.48550/arxiv.1411.5340 · pith_short_12: ZGUPXNWFATSK · pith_short_16: ZGUPXNWFATSKR2KJ · pith_short_8: ZGUPXNWF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZGUPXNWFATSKR2KJYEEPE6FIIZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c9a8fbb6c504e4a8e949c108f278a84667ab0f9dc6f165c07cc53c7774b0ce6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a23cdacf1d68a28330ae5d8e4c65429e55c8b0c89fde0662c744d69ef98ad3be",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2014-11-19T19:58:59Z",
    "title_canon_sha256": "cd75ef4e68066b4d2788212989ebd4e0df807c3cf6f08f0f550e8d832f7b92f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5340",
    "kind": "arxiv",
    "version": 1
  }
}