Pith Number

pith:5XSKLMLN

pith:1999:5XSKLMLNJBDZ23VFDNDEP24IV5

not attested not anchored not stored refs pending

The Timing Properties of Sco X-1 along its Z track as seen with EXOSAT

Michiel van der Klis, Stefan W. Dieters

arxiv:astro-ph/9909472 v1 · 1999-09-28 · 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{5XSKLMLNJBDZ23VFDNDEP24IV5}

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	2026-07-04T16:11:39.289292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ede4a5b16d48479d6ea51b4647eb88af65bbf5d58420f30510bacd925f0ca1a8

Aliases

arxiv: astro-ph/9909472 · arxiv_version: astro-ph/9909472v1 · doi: 10.48550/arxiv.astro-ph/9909472 · pith_short_12: 5XSKLMLNJBDZ · pith_short_16: 5XSKLMLNJBDZ23VF · pith_short_8: 5XSKLMLN

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/5XSKLMLNJBDZ23VFDNDEP24IV5 \
  | 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: ede4a5b16d48479d6ea51b4647eb88af65bbf5d58420f30510bacd925f0ca1a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95e9ccc5489c87648dbe462cd611c3206e43f2f07d25318b689626c799a885f6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-28T17:48:00Z",
    "title_canon_sha256": "8ce681bc566888432292ef0350a8493854baba64ae4bd7fcb5347f670c2fc841"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909472",
    "kind": "arxiv",
    "version": 1
  }
}