Pith Number

pith:K3IUIVAG

pith:2004:K3IUIVAGZHI7YFFGWCUEIMFIJR

not attested not anchored not stored refs pending

Gravitating discs around black holes

J.-M. Hure, O. Semerak, V. Karas

arxiv:astro-ph/0401345 v1 · 2004-01-16 · astro-ph · 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{K3IUIVAGZHI7YFFGWCUEIMFIJR}

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	2026-05-18T04:17:53.699416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56d1445406c9d1fc14a6b0a84430a84c5ba5b26d5adc07bd8b38b8bf4e0c456d

Aliases

arxiv: astro-ph/0401345 · arxiv_version: astro-ph/0401345v1 · doi: 10.48550/arxiv.astro-ph/0401345 · pith_short_12: K3IUIVAGZHI7 · pith_short_16: K3IUIVAGZHI7YFFG · pith_short_8: K3IUIVAG

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/K3IUIVAGZHI7YFFGWCUEIMFIJR \
  | 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: 56d1445406c9d1fc14a6b0a84430a84c5ba5b26d5adc07bd8b38b8bf4e0c456d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67280b2793c6c889b04ac8006920663b6db3a3666d0bee9d2433c14247d8b2c4",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-16T18:35:53Z",
    "title_canon_sha256": "f4152bb39854cd33318927da0f3864fb9cdae4deba3261ac639a170fa7542f0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401345",
    "kind": "arxiv",
    "version": 1
  }
}