Pith Number

pith:5MLIVVSP

pith:2008:5MLIVVSPF2XZORZU2COGEQLI7W

not attested not anchored not stored refs pending

Ricci flow, quantum mechanics and gravity

J.L.G. Santander, J.M. Isidro, P. Fernandez de Cordoba

arxiv:0808.2351 v1 · 2008-08-18 · hep-th · gr-qc · quant-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{5MLIVVSPF2XZORZU2COGEQLI7W}

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	2026-05-18T02:35:15.253140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb168ad64f2eaf974734d09c624168fdabaa18e73d3b81364ef11fbba523e02e

Aliases

arxiv: 0808.2351 · arxiv_version: 0808.2351v1 · doi: 10.48550/arxiv.0808.2351 · pith_short_12: 5MLIVVSPF2XZ · pith_short_16: 5MLIVVSPF2XZORZU · pith_short_8: 5MLIVVSP

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/5MLIVVSPF2XZORZU2COGEQLI7W \
  | 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: eb168ad64f2eaf974734d09c624168fdabaa18e73d3b81364ef11fbba523e02e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6cc0d7fdf6588f4b9965f8af14bb840022f7a0567512c84b66258b83744146a",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-08-18T08:30:48Z",
    "title_canon_sha256": "508b5b9a3e2a33a544396641c4bd1a0da80cac3c84004d868215fb24c8c125ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2351",
    "kind": "arxiv",
    "version": 1
  }
}