Pith Number

pith:77LU2KJS

pith:2004:77LU2KJSTEANUPAUAL3NFUU3S7

not attested not anchored not stored refs pending

Constraining Alternate Models of Black Holes: Type I X-ray Bursts on Accreting Fermion-Fermion and Boson-Fermion Stars

Martin J. Rees, Ramesh Narayan, Ye-Fei Yuan

arxiv:astro-ph/0401549 v1 · 2004-01-26 · 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{77LU2KJSTEANUPAUAL3NFUU3S7}

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.

Cited by

1 paper in Pith

Thin accretion disk around a Kerr black hole immersed in swirling universes

Receipt and verification

First computed	2026-07-04T15:26:25.735812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffd74d29329900da3c1402f6d2d29b97ff7a3c954575a92618bc38273eb2ab9c

Aliases

arxiv: astro-ph/0401549 · arxiv_version: astro-ph/0401549v1 · doi: 10.48550/arxiv.astro-ph/0401549 · pith_short_12: 77LU2KJSTEAN · pith_short_16: 77LU2KJSTEANUPAU · pith_short_8: 77LU2KJS

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/77LU2KJSTEANUPAUAL3NFUU3S7 \
  | 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: ffd74d29329900da3c1402f6d2d29b97ff7a3c954575a92618bc38273eb2ab9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "564872cfa6d5d5bc4e93b8a10cd2bb50f1e4aa4e77bef5e466dba348365cb979",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-26T17:42:20Z",
    "title_canon_sha256": "3f11644269871b26ae3cf78d47752cd754b5a48f8e5eb3fdbeccc9a2ca37196e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401549",
    "kind": "arxiv",
    "version": 1
  }
}