Pith Number

pith:DJ4765SJ

pith:2013:DJ4765SJJN4CG5F3RBJF5OFS6V

not attested not anchored not stored refs pending

Quasinormal modes of a two-dimensional black hole

A. Lopez-Ortega, J. R. Gomez-Diaz, S. Estrada-Jimenez

arxiv:1308.5943 v1 · 2013-08-27 · 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{DJ4765SJJN4CG5F3RBJF5OFS6V}

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	2026-05-18T02:48:26.065534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a79ff76494b782374bb88525eb8b2f56d86846c56172e225c93ab2830b505ca

Aliases

arxiv: 1308.5943 · arxiv_version: 1308.5943v1 · doi: 10.48550/arxiv.1308.5943 · pith_short_12: DJ4765SJJN4C · pith_short_16: DJ4765SJJN4CG5F3 · pith_short_8: DJ4765SJ

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/DJ4765SJJN4CG5F3RBJF5OFS6V \
  | 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: 1a79ff76494b782374bb88525eb8b2f56d86846c56172e225c93ab2830b505ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e336e13da9cb9454981b9d12902ea225d77e86e0443c0e44f08fdfa8430af48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-08-27T18:33:41Z",
    "title_canon_sha256": "1e521f256866d52db567a56b7ec3da6fbec9d23a42ac2be2bb0df53d095e8a21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5943",
    "kind": "arxiv",
    "version": 1
  }
}