Pith Number

pith:W7MYWWT2

pith:2022:W7MYWWT265RZJSPQOOXZ7PJXSF

not attested not anchored not stored refs pending

Inferring the ecology of north-Pacific albacore tuna from catch-and-effort data

Carolina Minte-Vera, Daisuke Ochi, Hirotaka Ijima, Marko Jusup, Yi-Jay Chang, Yuichi Tsuda

arxiv:2211.04730 v1 · 2022-11-09 · q-bio.PE · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7MYWWT265RZJSPQOOXZ7PJXSF}

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	2026-07-05T05:14:41.193400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7d98b5a7af76394c9f073af9fbd37917e38b06cfe71976a58f20e26e83245f2

Aliases

arxiv: 2211.04730 · arxiv_version: 2211.04730v1 · doi: 10.48550/arxiv.2211.04730 · pith_short_12: W7MYWWT265RZ · pith_short_16: W7MYWWT265RZJSPQ · pith_short_8: W7MYWWT2

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/W7MYWWT265RZJSPQOOXZ7PJXSF \
  | 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: b7d98b5a7af76394c9f073af9fbd37917e38b06cfe71976a58f20e26e83245f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "085674223f4dcc580d8b7dc0d5f2de7e17e3195778fabe86c06eea18e102e512",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2022-11-09T08:01:42Z",
    "title_canon_sha256": "3988cbb3dd1c9403fa9a821815529221084bfc2d54239701b4e1d40d15e852aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.04730",
    "kind": "arxiv",
    "version": 1
  }
}