Pith Number

pith:JZYTGXJZ

pith:2001:JZYTGXJZYIMPWU6QSJ5ZLUSAHL

not attested not anchored not stored refs pending

Is KPD 1930+2752 a good SN Ia progenitor?

A. V. Fedorova, E. Ergma, L. R. Yungelson

arxiv:astro-ph/0107042 v1 · 2001-07-03 · 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{JZYTGXJZYIMPWU6QSJ5ZLUSAHL}

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	2026-05-18T01:40:44.358104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e71335d39c218fb53d0927b95d2403ad916e95ae9c6c1ea1099725c6c298d99

Aliases

arxiv: astro-ph/0107042 · arxiv_version: astro-ph/0107042v1 · doi: 10.48550/arxiv.astro-ph/0107042 · pith_short_12: JZYTGXJZYIMP · pith_short_16: JZYTGXJZYIMPWU6Q · pith_short_8: JZYTGXJZ

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/JZYTGXJZYIMPWU6QSJ5ZLUSAHL \
  | 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: 4e71335d39c218fb53d0927b95d2403ad916e95ae9c6c1ea1099725c6c298d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b5cbe9153091943250c7565bb654f3feaafd37b0df13bdc1ab5e71b20c4b472",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-03T10:01:29Z",
    "title_canon_sha256": "e1388fc2735d7fe3b490e2804f73e02f05401624587349a5288dbd786f22dd81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107042",
    "kind": "arxiv",
    "version": 1
  }
}