Pith Number

pith:FKUMMRAI

pith:1998:FKUMMRAIGL5ICRPTEF7QFBV6JM

not attested not anchored not stored refs pending

Stability of Power-Law Disks I -- The Fredholm Integral Equation

J.C.A. Read (Oxford), N.W. Evans (Oxford)

arxiv:astro-ph/9805305 v1 · 1998-05-24 · 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{FKUMMRAIGL5ICRPTEF7QFBV6JM}

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	2026-05-18T00:53:28.191912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aa8c6440832fa8145f3217f0286be4b3c1022df38f882d1bd0a716fd74a5936

Aliases

arxiv: astro-ph/9805305 · arxiv_version: astro-ph/9805305v1 · doi: 10.48550/arxiv.astro-ph/9805305 · pith_short_12: FKUMMRAIGL5I · pith_short_16: FKUMMRAIGL5ICRPT · pith_short_8: FKUMMRAI

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/FKUMMRAIGL5ICRPTEF7QFBV6JM \
  | 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: 2aa8c6440832fa8145f3217f0286be4b3c1022df38f882d1bd0a716fd74a5936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a710208cb6b5fb84a1004428f19f56d1b1336d9df6aba077557801da84e866a7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-05-24T15:44:00Z",
    "title_canon_sha256": "768cf18e0e5a23e449bde3743dbd101b1a9732b79220309135f27483dd4c4472"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9805305",
    "kind": "arxiv",
    "version": 1
  }
}