Pith Number

pith:HJCYVFND

pith:2004:HJCYVFNDHQJARUIAZGUS4PJRJK

not attested not anchored not stored refs pending

Integral observation of Cyg X-1 in an intermediate state

A. Goldwurm, C. Cabanac, E. Jourdain, G. Pooley, J. Malzac, J.P. Roques, J. Rodriguez, M. Cadolle, P. Durouchoux, P. Laurent, P.O. Petrucci, P. Sizun, S. Chaty, T. Belloni

arxiv:astro-ph/0411069 v1 · 2004-11-02 · 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{HJCYVFNDHQJARUIAZGUS4PJRJK}

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	2026-07-04T14:13:52.263713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a458a95a33c1208d100c9a92e3d314a9c92aaba639671cdf77a4cf72898c4f9

Aliases

arxiv: astro-ph/0411069 · arxiv_version: astro-ph/0411069v1 · doi: 10.48550/arxiv.astro-ph/0411069 · pith_short_12: HJCYVFNDHQJA · pith_short_16: HJCYVFNDHQJARUIA · pith_short_8: HJCYVFND

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/HJCYVFNDHQJARUIAZGUS4PJRJK \
  | 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: 3a458a95a33c1208d100c9a92e3d314a9c92aaba639671cdf77a4cf72898c4f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9decc18047c63314fb98abc3516d1f71a10a8959e152aeb83a7dfa229e5c10b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-02T17:54:35Z",
    "title_canon_sha256": "059cffe83fdf2f84aa1b615c9c7c55818294c0cf683e412c81348e807983116f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411069",
    "kind": "arxiv",
    "version": 1
  }
}