Pith Number

pith:P5CEN7XS

pith:2001:P5CEN7XSMXOK3OJJJC4LF2ZHHT

not attested not anchored not stored refs pending

Quantum Black Holes from Quantum Collapse

Cenalo Vaz (U. Algarve), Louis Witten (U. Cincinnati)

arxiv:gr-qc/0104017 v2 · 2001-04-04 · 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{P5CEN7XSMXOK3OJJJC4LF2ZHHT}

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	2026-05-18T04:17:53.164711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f4446fef265dcadb92948b8b2eb273cc4f4da25b5b8aa10cadedaac2952b7fd

Aliases

arxiv: gr-qc/0104017 · arxiv_version: gr-qc/0104017v2 · doi: 10.48550/arxiv.gr-qc/0104017 · pith_short_12: P5CEN7XSMXOK · pith_short_16: P5CEN7XSMXOK3OJJ · pith_short_8: P5CEN7XS

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/P5CEN7XSMXOK3OJJJC4LF2ZHHT \
  | 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: 7f4446fef265dcadb92948b8b2eb273cc4f4da25b5b8aa10cadedaac2952b7fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "789c87993ab31bd793dd7006c65a165f7144dbd0f764a27f9b1b613c92cc5612",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-04-04T18:26:08Z",
    "title_canon_sha256": "65ba042be8ba4874ebb745a0e6f20f38a12f3c95b2e4ce794c0bc6d7a758b39f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0104017",
    "kind": "arxiv",
    "version": 2
  }
}