Pith Number

pith:P7B7JEZC

pith:2001:P7B7JEZCNMQJMAOK6J2W633ZPP

not attested not anchored not stored refs pending

HV Virginis and WZ Sge-Type Dwarf Novae

Ryuko Hirata (Kyoto U), Taichi Kato, Yoshiyuki Sekine

arxiv:astro-ph/0110207 v1 · 2001-10-09 · 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{P7B7JEZCNMQJMAOK6J2W633ZPP}

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	2026-05-18T01:40:43.953414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fc3f493226b209601caf2756f6f797bc0b2262c3aad9ddab54351ca88bda58c

Aliases

arxiv: astro-ph/0110207 · arxiv_version: astro-ph/0110207v1 · doi: 10.48550/arxiv.astro-ph/0110207 · pith_short_12: P7B7JEZCNMQJ · pith_short_16: P7B7JEZCNMQJMAOK · pith_short_8: P7B7JEZC

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/P7B7JEZCNMQJMAOK6J2W633ZPP \
  | 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: 7fc3f493226b209601caf2756f6f797bc0b2262c3aad9ddab54351ca88bda58c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1224077ac22355809f4221daaf9ad1e7bcebee8d1759b5765623fded02aa0587",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-10-09T09:00:38Z",
    "title_canon_sha256": "1dacf6e96b6b6d7dd91cad43b784d43d0d61259c9be3d2fcff173fb10a3c94b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0110207",
    "kind": "arxiv",
    "version": 1
  }
}