Pith Number

pith:O27IXJPP

pith:2001:O27IXJPP3Y6SZQFWGWBALR5AXY

not attested not anchored not stored refs pending

Recurrent novae as a progenitor system of Type Ia supernovae. I. RS Ophiuchi subclass --- Systems with a red giant companion

Izumi Hachisu (Univ. of Tokyo), Mariko Kato (Keio Univ.)

arxiv:astro-ph/0104040 v1 · 2001-04-03 · 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{O27IXJPP3Y6SZQFWGWBALR5AXY}

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	2026-07-04T16:22:58.935835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76be8ba5efde3d2cc0b6358205c7a0be2d365218370d3d06cccd82797e63a3ad

Aliases

arxiv: astro-ph/0104040 · arxiv_version: astro-ph/0104040v1 · doi: 10.48550/arxiv.astro-ph/0104040 · pith_short_12: O27IXJPP3Y6S · pith_short_16: O27IXJPP3Y6SZQFW · pith_short_8: O27IXJPP

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/O27IXJPP3Y6SZQFWGWBALR5AXY \
  | 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: 76be8ba5efde3d2cc0b6358205c7a0be2d365218370d3d06cccd82797e63a3ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80cee592c248699158b824b55e883f1b0c8009b9e0f4f2025271b7c001c0ef45",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-03T10:02:10Z",
    "title_canon_sha256": "bfe9c79f4071383304f54a904dc9603d0f91ed8ab8bf4d2276838ae26fb7e216"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104040",
    "kind": "arxiv",
    "version": 1
  }
}