Pith Number

pith:TNFYKOO6

pith:2004:TNFYKOO6O2OOYQNA5QFRLF6UNC

not attested not anchored not stored refs pending

New criterion for direct black hole formation in rapidly rotating stellar collapse

Masaru Shibata, Yu-ichirou Sekiguchi

arxiv:gr-qc/0403036 v1 · 2004-03-09 · gr-qc · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TNFYKOO6O2OOYQNA5QFRLF6UNC}

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	2026-07-04T16:47:42.198914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b4b8539de769cec41a0ec0b1597d46894f67d3a0e835b11e2fc68e0d70caf55

Aliases

arxiv: gr-qc/0403036 · arxiv_version: gr-qc/0403036v1 · doi: 10.48550/arxiv.gr-qc/0403036 · pith_short_12: TNFYKOO6O2OO · pith_short_16: TNFYKOO6O2OOYQNA · pith_short_8: TNFYKOO6

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/TNFYKOO6O2OOYQNA5QFRLF6UNC \
  | 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: 9b4b8539de769cec41a0ec0b1597d46894f67d3a0e835b11e2fc68e0d70caf55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3ca1b0c73e9500b3498c81d14ef17805bdc3b6ab05c581d1db59bb3a8e794d6",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-03-09T03:59:22Z",
    "title_canon_sha256": "fdef87cff26ece7e357b60783c09552579018ad5bff50f803e1a09b4654c38ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0403036",
    "kind": "arxiv",
    "version": 1
  }
}