Pith Number

pith:KHEO75BX

pith:1999:KHEO75BXEXTLIXGH74S44FFPHD

not attested not anchored not stored refs pending

A Search for Aperiodic Millisecond Variability in Cygnus X-1

C. Chaput, D. Yentis, E. Bloom, G. Godfrey, G. Shabad, H. Wen, J. Scargle, K. Wood, L. Cominsky, P. Hertz

arxiv:astro-ph/9901131 v1 · 1999-01-11 · 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{KHEO75BXEXTLIXGH74S44FFPHD}

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	2026-07-04T16:10:36.462423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51c8eff43725e6b45cc7ff25ce14af38fdd7eb06eeeb121704b8afedc2024022

Aliases

arxiv: astro-ph/9901131 · arxiv_version: astro-ph/9901131v1 · doi: 10.48550/arxiv.astro-ph/9901131 · pith_short_12: KHEO75BXEXTL · pith_short_16: KHEO75BXEXTLIXGH · pith_short_8: KHEO75BX

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/KHEO75BXEXTLIXGH74S44FFPHD \
  | 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: 51c8eff43725e6b45cc7ff25ce14af38fdd7eb06eeeb121704b8afedc2024022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e0b225303539b0b721c1a370b50f3aa9e5fb3c957ab58f1f2e6cf55f5f622ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-11T22:13:36Z",
    "title_canon_sha256": "fd9449627d5ced3d7203a92ac1534404076b824952cd82900b290969cac6e5a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901131",
    "kind": "arxiv",
    "version": 1
  }
}