Pith Number

pith:Q3UZKGM7

pith:2015:Q3UZKGM7AEHEG2LEE3OXOTAEAF

not attested not anchored not stored refs pending

Model flocks in a steady vortical flow

Andrew W. Baggaley

arxiv:1505.02152 v2 · 2015-05-08 · 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{Q3UZKGM7AEHEG2LEE3OXOTAEAF}

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	2026-05-18T01:55:00.495544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86e995199f010e43696426dd774c0401747462b0bce5a52a36e809c9a6e68938

Aliases

arxiv: 1505.02152 · arxiv_version: 1505.02152v2 · doi: 10.48550/arxiv.1505.02152 · pith_short_12: Q3UZKGM7AEHE · pith_short_16: Q3UZKGM7AEHEG2LE · pith_short_8: Q3UZKGM7

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/Q3UZKGM7AEHEG2LEE3OXOTAEAF \
  | 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: 86e995199f010e43696426dd774c0401747462b0bce5a52a36e809c9a6e68938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "653a6fb8adb5099352971ab80dcffa63f67a4c25b12f5d33892258fdbfde1626",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2015-05-08T19:47:33Z",
    "title_canon_sha256": "6c6fdb8a4e664d390b70ba3903c93125cb8bc4763985cb9892b0c71f63365fe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02152",
    "kind": "arxiv",
    "version": 2
  }
}