Pith Number

pith:3CFYGQID

pith:2012:3CFYGQIDR4EXIZVUWXNIE4JZAU

not attested not anchored not stored refs pending

Second order gauge invariant measure of a tidally deformed black hole

Nahid Ahmadi

arxiv:1201.4957 v2 · 2012-01-24 · 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{3CFYGQIDR4EXIZVUWXNIE4JZAU}

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	2026-05-18T01:58:42.867489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d88b8341038f097466b4b5da82713905394e5914109a84724ed9563e8d4241e7

Aliases

arxiv: 1201.4957 · arxiv_version: 1201.4957v2 · doi: 10.48550/arxiv.1201.4957 · pith_short_12: 3CFYGQIDR4EX · pith_short_16: 3CFYGQIDR4EXIZVU · pith_short_8: 3CFYGQID

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/3CFYGQIDR4EXIZVUWXNIE4JZAU \
  | 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: d88b8341038f097466b4b5da82713905394e5914109a84724ed9563e8d4241e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2020d0f4b30433db887f30eee30c075ed42d1e7c9bc97a95563e5570e4e35ddf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-01-24T11:48:23Z",
    "title_canon_sha256": "ddbc1b6939b5a3269b6385523e206ce40652344b0cc3773ec4c9d2a89350830f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4957",
    "kind": "arxiv",
    "version": 2
  }
}