Pith Number

pith:2P7DQFG6

pith:2013:2P7DQFG6TUCHGHT7NRQHMENY7E

not attested not anchored not stored refs pending

Generalized hybrid metric-Palatini gravity

Christian G. Boehmer, Nicola Tamanini

arxiv:1302.2355 v1 · 2013-02-10 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2P7DQFG6TUCHGHT7NRQHMENY7E}

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	2026-05-18T01:30:49.545015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3fe3814de9d04731e7f6c607611b8f92f737edb7e620643c6a0db85a5c40370

Aliases

arxiv: 1302.2355 · arxiv_version: 1302.2355v1 · doi: 10.48550/arxiv.1302.2355 · pith_short_12: 2P7DQFG6TUCH · pith_short_16: 2P7DQFG6TUCHGHT7 · pith_short_8: 2P7DQFG6

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/2P7DQFG6TUCHGHT7NRQHMENY7E \
  | 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: d3fe3814de9d04731e7f6c607611b8f92f737edb7e620643c6a0db85a5c40370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54a37ae26aa876a3f895660bab48d94dfa5feaf98cf181e09789bd8e39c971c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-10T19:44:53Z",
    "title_canon_sha256": "8edf3e1dae83c97a658c0fd7c65779f81f4db4887ceb3212f06c75456b99f29e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2355",
    "kind": "arxiv",
    "version": 1
  }
}