Pith Number

pith:H4CVLENP

pith:2009:H4CVLENPC326K3DP762XQU7X5M

not attested not anchored not stored refs pending

Heat and Gravitation. II. Stability

Christian Fr{\o}nsdal

arxiv:0904.0427 v1 · 2009-04-02 · physics.gen-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4CVLENPC326K3DP762XQU7X5M}

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	2026-05-18T02:14:07.916084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f055591af16f5e56c6fffb57853f7eb0a51499312f2222b37e92810465edcbe

Aliases

arxiv: 0904.0427 · arxiv_version: 0904.0427v1 · doi: 10.48550/arxiv.0904.0427 · pith_short_12: H4CVLENPC326 · pith_short_16: H4CVLENPC326K3DP · pith_short_8: H4CVLENP

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/H4CVLENPC326K3DP762XQU7X5M \
  | 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: 3f055591af16f5e56c6fffb57853f7eb0a51499312f2222b37e92810465edcbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32865b6662384abc2516e7c147c59b86035d85fea16c2ba1c3f72e7e0ef21331",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2009-04-02T16:52:10Z",
    "title_canon_sha256": "0b79fc10669e20d4c730528f92f6e5b962cc4e2a4b28d43e834e879de3d1aa5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0427",
    "kind": "arxiv",
    "version": 1
  }
}