Pith Number

pith:M4JMZQAU

pith:2011:M4JMZQAUIBW7L2XS6UWTA75AIW

not attested not anchored not stored refs pending

No alignment of cattle along geomagnetic field lines found

A. Pavlicek, J. Hert, L. Jelinek, L. Pekarek

arxiv:1101.5263 v2 · 2011-01-27 · stat.AP · physics.bio-ph · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4JMZQAUIBW7L2XS6UWTA75AIW}

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	2026-05-18T02:43:16.800820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6712ccc014406df5eaf2f52d307fa04592b9110fa25be9c4302343606cc835ec

Aliases

arxiv: 1101.5263 · arxiv_version: 1101.5263v2 · doi: 10.48550/arxiv.1101.5263 · pith_short_12: M4JMZQAUIBW7 · pith_short_16: M4JMZQAUIBW7L2XS · pith_short_8: M4JMZQAU

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/M4JMZQAUIBW7L2XS6UWTA75AIW \
  | 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: 6712ccc014406df5eaf2f52d307fa04592b9110fa25be9c4302343606cc835ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27811d2958b944bbc7fae51c2623b49b7741ac3a1efce31bb0549c294407a57f",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.TO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2011-01-27T12:10:36Z",
    "title_canon_sha256": "c73ab644186513563b1b3e6e0f72055df0c47c9cd9df5acf3e8fb2373e1b37cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5263",
    "kind": "arxiv",
    "version": 2
  }
}