Pith Number

pith:PWUPDFMW

pith:2012:PWUPDFMW5DQUPWYD7IJDVRLL7V

not attested not anchored not stored refs pending

Guilt by Association: Finding Cosmic Ray Sources Using Hierarchical Bayesian Clustering

David Chernoff, David Ruppert, Ira Wasserman, Kunlaya Soiaporn, Thomas Loredo

arxiv:1206.3540 v1 · 2012-06-15 · astro-ph.HE · astro-ph.IM · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWUPDFMW5DQUPWYD7IJDVRLL7V}

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	2026-05-18T03:53:29.972031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da8f19596e8e147db03fa123ac56bfd573814463101f83ae6a124357c74ecc5

Aliases

arxiv: 1206.3540 · arxiv_version: 1206.3540v1 · doi: 10.48550/arxiv.1206.3540 · pith_short_12: PWUPDFMW5DQU · pith_short_16: PWUPDFMW5DQUPWYD · pith_short_8: PWUPDFMW

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/PWUPDFMW5DQUPWYD7IJDVRLL7V \
  | 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: 7da8f19596e8e147db03fa123ac56bfd573814463101f83ae6a124357c74ecc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3af22d3bc9b4258945afed02b4742e054f8da5b2cc120c50bc11e9828a4fc193",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-06-15T18:44:40Z",
    "title_canon_sha256": "3f76cef09626a92abb642c3581e7ec073c4c18e11c9956d4fb6c1971bfc0752b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3540",
    "kind": "arxiv",
    "version": 1
  }
}