Pith Number

pith:Z3Z5U5IS

pith:2006:Z3Z5U5ISJIHF3YHPKB33NXHBJN

not attested not anchored not stored refs pending

An accreting millisecond pulsar with black hole-like X-ray variability: IGR J00291+5934

Manuel Linares, Michiel van der Klis, Rudy Wijnands (Amsterdam)

arxiv:astro-ph/0609685 v2 · 2006-09-25 · 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{Z3Z5U5ISJIHF3YHPKB33NXHBJN}

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	2026-05-18T04:28:57.592527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cef3da75124a0e5de0ef5077b6dce14b6ad1269b88f6635e7247ce4d721eb51f

Aliases

arxiv: astro-ph/0609685 · arxiv_version: astro-ph/0609685v2 · doi: 10.48550/arxiv.astro-ph/0609685 · pith_short_12: Z3Z5U5ISJIHF · pith_short_16: Z3Z5U5ISJIHF3YHP · pith_short_8: Z3Z5U5IS

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/Z3Z5U5ISJIHF3YHPKB33NXHBJN \
  | 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: cef3da75124a0e5de0ef5077b6dce14b6ad1269b88f6635e7247ce4d721eb51f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48318f837af55306224ee41ae4ab6bdf9d45a001a1f2fc779a28c28e529fa0e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-25T16:23:12Z",
    "title_canon_sha256": "ea6d9cea12bbc668f94c56482fce73c6310a3e5172d730dbd88048a7c88cfd52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609685",
    "kind": "arxiv",
    "version": 2
  }
}