Pith Number

pith:GAA2SDOZ

pith:2014:GAA2SDOZHB3XGHENNTIMEI4RTZ

not attested not anchored not stored refs pending

Catching crabs: a case study in local-scale English conservation

David Aldridge, Helen K. Green, William D. Pearse

arxiv:1404.0290 v1 · 2014-04-01 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAA2SDOZHB3XGHENNTIMEI4RTZ}

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	2026-05-18T02:55:04.725539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3001a90dd93877731c8d6cd0c223919e76f5038a68396edc812989719ec5f255

Aliases

arxiv: 1404.0290 · arxiv_version: 1404.0290v1 · doi: 10.48550/arxiv.1404.0290 · pith_short_12: GAA2SDOZHB3X · pith_short_16: GAA2SDOZHB3XGHEN · pith_short_8: GAA2SDOZ

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/GAA2SDOZHB3XGHENNTIMEI4RTZ \
  | 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: 3001a90dd93877731c8d6cd0c223919e76f5038a68396edc812989719ec5f255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c066355272c0b5434939a2fb6e800e626f3a8b1ee67af04a8303191b22ccfaf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-04-01T16:01:37Z",
    "title_canon_sha256": "0fced5d86d164c8800f964f5b77a29d56d379d36c51b327d47fe3362f42a7880"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0290",
    "kind": "arxiv",
    "version": 1
  }
}