Pith Number

pith:U6R2VG6B

pith:2012:U6R2VG6BCLWZHMNEGTHWYCFZJB

not attested not anchored not stored refs pending

Black hole free energy during charged collapse: a numerical study

Ariel Edery, Hugues Beauchesne

arxiv:1203.2279 v2 · 2012-03-10 · 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{U6R2VG6BCLWZHMNEGTHWYCFZJB}

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	2026-05-18T01:58:10.293038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7a3aa9bc112ed93b1a434cf6c08b9487bc0fc153da653629a586d85456f0ec1

Aliases

arxiv: 1203.2279 · arxiv_version: 1203.2279v2 · doi: 10.48550/arxiv.1203.2279 · pith_short_12: U6R2VG6BCLWZ · pith_short_16: U6R2VG6BCLWZHMNE · pith_short_8: U6R2VG6B

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/U6R2VG6BCLWZHMNEGTHWYCFZJB \
  | 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: a7a3aa9bc112ed93b1a434cf6c08b9487bc0fc153da653629a586d85456f0ec1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99978092954cf63cb71d89bfffa5b1f759f623b2b699370602c6d5e9e7b77963",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-10T20:40:37Z",
    "title_canon_sha256": "8fb7b7b319ec05a6761877757957e31fce3e759885e06f0fedd1c05bdf33af59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2279",
    "kind": "arxiv",
    "version": 2
  }
}