Pith Number

pith:2CXI2IOV

pith:2013:2CXI2IOVEMJS5LT54DA5KMCUCM

not attested not anchored not stored refs pending

Generalized Formalism in Gauge-Invariant Gravitational Perturbations

Li-Ming Cao, Rong-Gen Cai

arxiv:1306.4927 v1 · 2013-06-20 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2CXI2IOVEMJS5LT54DA5KMCUCM}

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	2026-05-18T03:07:23.259201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0ae8d21d523132eae7de0c1d53054130e34dfbd48296f37a9764b3017f89512

Aliases

arxiv: 1306.4927 · arxiv_version: 1306.4927v1 · doi: 10.48550/arxiv.1306.4927 · pith_short_12: 2CXI2IOVEMJS · pith_short_16: 2CXI2IOVEMJS5LT5 · pith_short_8: 2CXI2IOV

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/2CXI2IOVEMJS5LT54DA5KMCUCM \
  | 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: d0ae8d21d523132eae7de0c1d53054130e34dfbd48296f37a9764b3017f89512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed65b9a544e54738e0d18d90b02e9acf3ccbb10288cb9438a7f2c897cccb048f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-20T16:09:46Z",
    "title_canon_sha256": "32550434f6a01c6675db33d583bbd5ddf0622aeb7dcdc06bfb70845ef6c3518b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4927",
    "kind": "arxiv",
    "version": 1
  }
}