Pith Number

pith:QGTPGJCW

pith:2008:QGTPGJCWYNJS4Z7EL3QYB76ALB

not attested not anchored not stored refs pending

Phantom Accretion by Black Holes and the Generalized Second Law of Thermodynamics

Daniel C. Guariento, J. A. S. Lima, J. E. Horvath, S. H. Pereira

arxiv:0808.0860 v1 · 2008-08-06 · 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{QGTPGJCWYNJS4Z7EL3QYB76ALB}

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	2026-05-18T02:35:15.373541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a6f32456c3532e67e45ee180ffc0587951250fbd8e8e9cb9d44e679c430e24

Aliases

arxiv: 0808.0860 · arxiv_version: 0808.0860v1 · doi: 10.48550/arxiv.0808.0860 · pith_short_12: QGTPGJCWYNJS · pith_short_16: QGTPGJCWYNJS4Z7E · pith_short_8: QGTPGJCW

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/QGTPGJCWYNJS4Z7EL3QYB76ALB \
  | 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: 81a6f32456c3532e67e45ee180ffc0587951250fbd8e8e9cb9d44e679c430e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78bb868e8bbd560b54bf15ec20509b35ad06b5e405c5c0326e2b2f2f3197a4cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-08-06T15:43:55Z",
    "title_canon_sha256": "67e61ad83070bf410adfff6a1c802597cd391f8163e975ade6736413ee82f012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.0860",
    "kind": "arxiv",
    "version": 1
  }
}