Pith Number

pith:7SALBXNU

pith:2016:7SALBXNUCDFY4QKPGA6XYN5KST

not attested not anchored not stored refs pending

Proto-Cooperation: group hunting sailfish improve hunting success by alternating attacks on grouping prey

Alexander D. M. Wilson, Daniel Str\"ombom, James E Herbert-Read, Jens Krause, John F Steffensen, Paolo Domenici, Pawel Romanczuk, Pierre Couillaud, Ralf H. J. M. Kurvers, Stefan Krause, Stefano Marras

arxiv:1603.00869 v3 · 2016-03-02 · 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{7SALBXNUCDFY4QKPGA6XYN5KST}

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	2026-05-18T00:53:40.389015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc80b0ddb410cb8e414f303d7c37aa94f89848a1e6c15c02e3f88b2f802df714

Aliases

arxiv: 1603.00869 · arxiv_version: 1603.00869v3 · doi: 10.48550/arxiv.1603.00869 · pith_short_12: 7SALBXNUCDFY · pith_short_16: 7SALBXNUCDFY4QKP · pith_short_8: 7SALBXNU

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/7SALBXNUCDFY4QKPGA6XYN5KST \
  | 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: fc80b0ddb410cb8e414f303d7c37aa94f89848a1e6c15c02e3f88b2f802df714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84d046791f9cebe8fc23125927259f6530211a229048773ed3c95bb7df7f00ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2016-03-02T12:24:17Z",
    "title_canon_sha256": "78fcb31ab37d0a8584cb23aa464dcff0ad0924a1468bac3cbab484eaf961273c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00869",
    "kind": "arxiv",
    "version": 3
  }
}