Pith Number

pith:JK5BALJH

pith:2013:JK5BALJHBSAQH7VBE7N2IQRQH2

not attested not anchored not stored refs pending

One pendulum to run them all

Gabriela Barenboim, J. A. Oteo

arxiv:1304.7922 v1 · 2013-04-30 · physics.class-ph · physics.pop-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{JK5BALJHBSAQH7VBE7N2IQRQH2}

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	2026-05-18T01:50:14.214071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4aba102d270c8103fea127dba442303eb22d71746bd3f1ffbca8ceea775914a8

Aliases

arxiv: 1304.7922 · arxiv_version: 1304.7922v1 · doi: 10.48550/arxiv.1304.7922 · pith_short_12: JK5BALJHBSAQ · pith_short_16: JK5BALJHBSAQH7VB · pith_short_8: JK5BALJH

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/JK5BALJHBSAQH7VBE7N2IQRQH2 \
  | 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: 4aba102d270c8103fea127dba442303eb22d71746bd3f1ffbca8ceea775914a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b095a28332e3385a234eb7267e823bdfd7cb8d9e80e29804dbc9070b94e1fa4",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-04-30T09:05:33Z",
    "title_canon_sha256": "6667ca0cf3ac2023c333245b87c2d3afa8d647087be799b5a6377a289c227088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7922",
    "kind": "arxiv",
    "version": 1
  }
}