Pith Number

pith:Z2BN6BBI

pith:2012:Z2BN6BBIVM65AHVKMADA6RXZNN

not attested not anchored not stored refs pending

The span of correlations in dolphin whistle sequences

Brenda McCowan, Ramon Ferrer-i-Cancho

arxiv:1205.0321 v2 · 2012-05-02 · q-bio.NC · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2BN6BBIVM65AHVKMADA6RXZNN}

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	2026-05-18T02:32:22.787672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce82df0428ab3dd01eaa60060f46f96b798b752be4eeea4f84437f35b8f99767

Aliases

arxiv: 1205.0321 · arxiv_version: 1205.0321v2 · doi: 10.48550/arxiv.1205.0321 · pith_short_12: Z2BN6BBIVM65 · pith_short_16: Z2BN6BBIVM65AHVK · pith_short_8: Z2BN6BBI

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/Z2BN6BBIVM65AHVKMADA6RXZNN \
  | 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: ce82df0428ab3dd01eaa60060f46f96b798b752be4eeea4f84437f35b8f99767

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35c23941e49f2a8ab3c8874e46c38d40a247d1a48677c8b67373bff785d2efc3",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2012-05-02T04:49:19Z",
    "title_canon_sha256": "87ec8374aa54dcfbb215dba819ca3e78fa5576a0bb95a971c8b504c46ed90d5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0321",
    "kind": "arxiv",
    "version": 2
  }
}