Pith Number

pith:XLQBHCCS

pith:2011:XLQBHCCSVRVY2FSU7QTFAHMZF6

not attested not anchored not stored refs pending

No fast food for solving higher curvature gravity

Liu Zhao

arxiv:1105.4838 v2 · 2011-05-24 · 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{XLQBHCCSVRVY2FSU7QTFAHMZF6}

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	2026-05-18T04:21:21.124791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bae0138852ac6b8d1654fc26501d992f8933d1a7eb19de314d84a847aba4e332

Aliases

arxiv: 1105.4838 · arxiv_version: 1105.4838v2 · doi: 10.48550/arxiv.1105.4838 · pith_short_12: XLQBHCCSVRVY · pith_short_16: XLQBHCCSVRVY2FSU · pith_short_8: XLQBHCCS

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/XLQBHCCSVRVY2FSU7QTFAHMZF6 \
  | 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: bae0138852ac6b8d1654fc26501d992f8933d1a7eb19de314d84a847aba4e332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "398a8db23f6fc6f3a6844b4f207b6e7586d1637b66171793f609ece30a6ae1a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-05-24T17:27:24Z",
    "title_canon_sha256": "c8139a79d79df703b2380033d8de564fe573726e52c327d6488fb25da4341986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4838",
    "kind": "arxiv",
    "version": 2
  }
}