Pith Number

pith:QPX7RCNJ

pith:2006:QPX7RCNJECLA3KYOIO4BGIK27B

not attested not anchored not stored refs pending

Observation of Incipient Black Holes and the Information Loss Problem

Dejan Stojkovic, Lawrence M. Krauss, Tanmay Vachaspati

arxiv:gr-qc/0609024 v3 · 2006-09-07 · gr-qc · astro-ph · hep-ph · 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{QPX7RCNJECLA3KYOIO4BGIK27B}

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	2026-07-04T15:22:23.361630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83eff889a920960dab0e43b813215af84da0ff63167139520ba704e5bf12c870

Aliases

arxiv: gr-qc/0609024 · arxiv_version: gr-qc/0609024v3 · doi: 10.48550/arxiv.gr-qc/0609024 · pith_short_12: QPX7RCNJECLA · pith_short_16: QPX7RCNJECLA3KYO · pith_short_8: QPX7RCNJ

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/QPX7RCNJECLA3KYOIO4BGIK27B \
  | 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: 83eff889a920960dab0e43b813215af84da0ff63167139520ba704e5bf12c870

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "032eb1a50c40bdf989a480e0019c6160b45b3e23a760e21b3c972443e62f8205",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-09-07T11:06:26Z",
    "title_canon_sha256": "14f9915c43aa5ee45b144026acca4b3cee2599f315798d3262602d084d4f75b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0609024",
    "kind": "arxiv",
    "version": 3
  }
}