Pith Number

pith:4NNORIP3

pith:2018:4NNORIP3FE6REHMEJ3ZYPY3LEJ

not attested not anchored not stored refs pending

What constitutes elemental shape information for biological vision?

Ernest Greene, Onyinye Onwuzulike

arxiv:1801.02657 v1 · 2018-01-08 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4NNORIP3FE6REHMEJ3ZYPY3LEJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T00:26:22.801585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e35ae8a1fb293d121d844ef387e36b225f1cd7278646b7b84195e656994b9446

Aliases

arxiv: 1801.02657 · arxiv_version: 1801.02657v1 · doi: 10.48550/arxiv.1801.02657 · pith_short_12: 4NNORIP3FE6R · pith_short_16: 4NNORIP3FE6REHME · pith_short_8: 4NNORIP3

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/4NNORIP3FE6REHMEJ3ZYPY3LEJ \
  | 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: e35ae8a1fb293d121d844ef387e36b225f1cd7278646b7b84195e656994b9446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf68e72786525c46d7058a756dd3754d50ee2a7f210aa4fa16b7e9cf8232aa78",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2018-01-08T19:38:59Z",
    "title_canon_sha256": "c2600afe07c036de47095a4b412aa48f4f0581ea769d92d3e9c0c8de9484732a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02657",
    "kind": "arxiv",
    "version": 1
  }
}