Pith Number

pith:F37S4Y5V

pith:2009:F37S4Y5VVPHN4KZXRM6XI6WRGP

not attested not anchored not stored refs pending

Uncosmology

Bohdan Grzadkowski, Jose Wudka

arxiv:0912.1322 v1 · 2009-12-07 · hep-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{F37S4Y5VVPHN4KZXRM6XI6WRGP}

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	2026-05-18T02:33:57.312510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eff2e63b5abcede2b378b3d747ad133f04f338ee9770b1449920244e36ff205

Aliases

arxiv: 0912.1322 · arxiv_version: 0912.1322v1 · doi: 10.48550/arxiv.0912.1322 · pith_short_12: F37S4Y5VVPHN · pith_short_16: F37S4Y5VVPHN4KZX · pith_short_8: F37S4Y5V

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/F37S4Y5VVPHN4KZXRM6XI6WRGP \
  | 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: 2eff2e63b5abcede2b378b3d747ad133f04f338ee9770b1449920244e36ff205

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a98ad37970ee0aeff5d9ddb13d6de97276b1c93ddb16ab180b3d90e82150a4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-12-07T19:55:01Z",
    "title_canon_sha256": "43a932a289b2941ec43e31f9dbbc43af60a7791b2d658b70d6f54f1e0de68e3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1322",
    "kind": "arxiv",
    "version": 1
  }
}