Pith Number

pith:YULU3XFY

pith:2011:YULU3XFYQN735KLOOFRKL7SRCL

not attested not anchored not stored refs pending

Entropy spectra of single horizon black holes in two dimensions

A. Lopez-Ortega

arxiv:1112.6211 v1 · 2011-12-29 · 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{YULU3XFYQN735KLOOFRKL7SRCL}

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	2026-05-18T01:58:59.955043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5174ddcb8837fbea96e7162a5fe5112e70154b21a9e360190d9a727501cc2af

Aliases

arxiv: 1112.6211 · arxiv_version: 1112.6211v1 · doi: 10.48550/arxiv.1112.6211 · pith_short_12: YULU3XFYQN73 · pith_short_16: YULU3XFYQN735KLO · pith_short_8: YULU3XFY

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/YULU3XFYQN735KLOOFRKL7SRCL \
  | 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: c5174ddcb8837fbea96e7162a5fe5112e70154b21a9e360190d9a727501cc2af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99668541d9dab3981902b03f8824a9918c7123bcac0dc676da9cda3295cde859",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-12-29T01:12:00Z",
    "title_canon_sha256": "8c459d848b5f413f4c402b40af4d10b1e26b3ef30c5379191589c6ee7e85ab0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6211",
    "kind": "arxiv",
    "version": 1
  }
}