Pith Number

pith:52FAEYPB

pith:2018:52FAEYPBPBZFG66JXWEAHRXJOF

not attested not anchored not stored refs pending

idtracker.ai: Tracking all individuals in large collectives of unmarked animals

Francisco J. H. Heras, Francisco Romero-Ferrero, Gonzalo G. de Polavieja, Mattia G. Bergomi, Robert Hinz

arxiv:1803.04351 v1 · 2018-03-12 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{52FAEYPBPBZFG66JXWEAHRXJOF}

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	2026-05-18T00:21:29.921204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee8a0261e17872537bc9bd8803c6e9716206cc47f6be6736cc4aefb8923de99d

Aliases

arxiv: 1803.04351 · arxiv_version: 1803.04351v1 · doi: 10.48550/arxiv.1803.04351 · pith_short_12: 52FAEYPBPBZF · pith_short_16: 52FAEYPBPBZFG66J · pith_short_8: 52FAEYPB

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/52FAEYPBPBZFG66JXWEAHRXJOF \
  | 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: ee8a0261e17872537bc9bd8803c6e9716206cc47f6be6736cc4aefb8923de99d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9257c96064ce132c13dd4d684b9db7e809dd1d3ff21a5b3026be46cd423f0419",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-12T16:21:19Z",
    "title_canon_sha256": "e18d1679edb7a38a0705c87bca8d26e15a44d2e668fd756488a9886bd3ae04a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04351",
    "kind": "arxiv",
    "version": 1
  }
}