Pith Number

pith:RH2W6WUP

pith:2014:RH2W6WUPZAFKLV5WT2K3X256WE

not attested not anchored not stored refs pending

Bag-of-calls analysis reveals group-specific vocal repertoire in long-finned pilot whales

Heike Vester, Kurt Hammerschmidt, Marc Timme, Sarah Hallerberg

arxiv:1410.4711 v2 · 2014-10-17 · 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{RH2W6WUPZAFKLV5WT2K3X256WE}

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	2026-05-18T01:51:25.144400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89f56f5a8fc80aa5d7b69e95bbebbeb11352aa576231e4b5c93c09d63b6900e3

Aliases

arxiv: 1410.4711 · arxiv_version: 1410.4711v2 · doi: 10.48550/arxiv.1410.4711 · pith_short_12: RH2W6WUPZAFK · pith_short_16: RH2W6WUPZAFKLV5W · pith_short_8: RH2W6WUP

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/RH2W6WUPZAFKLV5WT2K3X256WE \
  | 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: 89f56f5a8fc80aa5d7b69e95bbebbeb11352aa576231e4b5c93c09d63b6900e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14dcfc4370095f743ebfec23be483fa37a02747490e4ca0a3ff585b16a28ef48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2014-10-17T13:06:09Z",
    "title_canon_sha256": "8f15f0fad988d370b60daae645ee4dc5b9537a9d1f551479c73e4eebdcb87169"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4711",
    "kind": "arxiv",
    "version": 2
  }
}