Pith Number

pith:VFS5C65S

pith:2004:VFS5C65SW23A34SHO7Z635I647

not attested not anchored not stored refs pending

Dramatic Spectral Evolution of WZ Sagittae during the 2001 Superoutburst

D. Nogami, T. Iijima

arxiv:astro-ph/0401292 v1 · 2004-01-15 · 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{VFS5C65SW23A34SHO7Z635I647}

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	2026-05-18T01:40:37.444588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a965d17bb2b6b60df24777f3edf51ee7ee824e0a0f14e23669d2585fc14a3153

Aliases

arxiv: astro-ph/0401292 · arxiv_version: astro-ph/0401292v1 · doi: 10.48550/arxiv.astro-ph/0401292 · pith_short_12: VFS5C65SW23A · pith_short_16: VFS5C65SW23A34SH · pith_short_8: VFS5C65S

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/VFS5C65SW23A34SHO7Z635I647 \
  | 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: a965d17bb2b6b60df24777f3edf51ee7ee824e0a0f14e23669d2585fc14a3153

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f18c74a352650a57370a44f03b2626a5e257c40884f47922b426f50c719b660",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-15T10:10:37Z",
    "title_canon_sha256": "9763a9f5958074009249ee62a61c1f30afe3174f05e5171ee6fc87985fb3532a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401292",
    "kind": "arxiv",
    "version": 1
  }
}