Pith Number

pith:W76XLFJV

pith:2001:W76XLFJV4ECVLSUXYHTDY75RER

not attested not anchored not stored refs pending

Period distribution of old accreting isolated neutron stars

(2) Volgograd State University), A.V. Khoperskov (2) ((1) Sternberg Astronomical Institute, M.E. Prokhorov (1), S.B. Popov (1)

arxiv:astro-ph/0108503 v1 · 2001-08-31 · 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{W76XLFJV4ECVLSUXYHTDY75RER}

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	2026-05-18T01:07:45.558274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7fd759535e10555ca97c1e63c7fb124560588c01ca3ba56a0af8b935bbd0efe

Aliases

arxiv: astro-ph/0108503 · arxiv_version: astro-ph/0108503v1 · doi: 10.48550/arxiv.astro-ph/0108503 · pith_short_12: W76XLFJV4ECV · pith_short_16: W76XLFJV4ECVLSUX · pith_short_8: W76XLFJV

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/W76XLFJV4ECVLSUXYHTDY75RER \
  | 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: b7fd759535e10555ca97c1e63c7fb124560588c01ca3ba56a0af8b935bbd0efe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be0101d69b6b6fb3943b9e34e2ce83e5084acba41ec25f7576cc6ef9f892d2c4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-31T09:33:16Z",
    "title_canon_sha256": "231c68854c11336f6dff1b242426c6bef79bf5c4f338dc1bc33acbf68c01ed32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108503",
    "kind": "arxiv",
    "version": 1
  }
}