Pith Number

pith:742SVJFU

pith:1998:742SVJFUW75VFHFAIHHUZGR7PP

not attested not anchored not stored refs pending

The eclipsing Cataclysmic Variable GS Pavonis: Evidence for disk radius changes

(2) ESO Chile, 3), (3) ESO Germany, 4) ((1) University of Amsterdam, (4) University of Alabama in Huntsville), Jan van Paradijs (1, Orly Barziv (1, Paul J. Groot (1), Thomas Augusteijn (2)

arxiv:astro-ph/9810357 v1 · 1998-10-22 · 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{742SVJFUW75VFHFAIHHUZGR7PP}

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	2026-05-18T00:12:01.498234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff352aa4b4b7fb529ca041cf4c9a3f7bfc91f486c35c6d6cfe739f5c057dbb80

Aliases

arxiv: astro-ph/9810357 · arxiv_version: astro-ph/9810357v1 · doi: 10.48550/arxiv.astro-ph/9810357 · pith_short_12: 742SVJFUW75V · pith_short_16: 742SVJFUW75VFHFA · pith_short_8: 742SVJFU

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/742SVJFUW75VFHFAIHHUZGR7PP \
  | 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: ff352aa4b4b7fb529ca041cf4c9a3f7bfc91f486c35c6d6cfe739f5c057dbb80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77cda89e8a6419854c0f89e3547d82e076843f3513041f461929777846351999",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-10-22T09:21:41Z",
    "title_canon_sha256": "0cfd8680e0f76a95de8ca6faa3fd1738138ab7ccf4154ba0acf18eefa928a6a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9810357",
    "kind": "arxiv",
    "version": 1
  }
}