Pith Number

pith:P6NYNQDZ

pith:2014:P6NYNQDZZE22KY2ZHRHZYDMC3A

not attested not anchored not stored refs pending

Collective response to perturbations in a data-driven fish school model

Cl\'ement Sire, Daniel S. Calovi, Guy Theraulaz, Hugues Chat\'e, Paul Schuhmacher, Ugo Lopez

arxiv:1409.6430 v2 · 2014-09-23 · q-bio.QM · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6NYNQDZZE22KY2ZHRHZYDMC3A}

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	2026-05-18T02:28:05.109132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f9b86c079c935a563593c4f9c0d82d8075febb40fb972eae184f8f4c35c91eb

Aliases

arxiv: 1409.6430 · arxiv_version: 1409.6430v2 · doi: 10.48550/arxiv.1409.6430 · pith_short_12: P6NYNQDZZE22 · pith_short_16: P6NYNQDZZE22KY2Z · pith_short_8: P6NYNQDZ

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/P6NYNQDZZE22KY2ZHRHZYDMC3A \
  | 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: 7f9b86c079c935a563593c4f9c0d82d8075febb40fb972eae184f8f4c35c91eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f3b3b20e1706a11e6c10a8a74dd1cf91de71ce7aa402fa7b31ef114fc187d9f",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2014-09-23T07:34:12Z",
    "title_canon_sha256": "b9c2b914188b61a004e700b5e4342e29a11a82dd70297f60009c8b98b7ac30a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6430",
    "kind": "arxiv",
    "version": 2
  }
}