Pith Number

pith:YK2F75FA

pith:2004:YK2F75FAGAO3BZQ3XNEMSBVBCM

not attested not anchored not stored refs pending

The Peculiar 2004 Superoutburst in the Helium Dwarf Nova, 2003aw

A. Imada, A. Liu, A. Retter, B. Monard, D. Nogami, M. Uemura, R. Ishioka, T. Kato

arxiv:astro-ph/0409636 v1 · 2004-09-27 · 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{YK2F75FAGAO3BZQ3XNEMSBVBCM}

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	2026-05-18T01:40:35.043014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2b45ff4a0301db0e61bbb48c906a1133556bc78092158182d4326e7bee9c71a

Aliases

arxiv: astro-ph/0409636 · arxiv_version: astro-ph/0409636v1 · doi: 10.48550/arxiv.astro-ph/0409636 · pith_short_12: YK2F75FAGAO3 · pith_short_16: YK2F75FAGAO3BZQ3 · pith_short_8: YK2F75FA

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/YK2F75FAGAO3BZQ3XNEMSBVBCM \
  | 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: c2b45ff4a0301db0e61bbb48c906a1133556bc78092158182d4326e7bee9c71a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ddf782bc133dcb12d50401ed0b666fea845d31e58b4a36f609fa4aeaf5bcc8f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-27T13:22:38Z",
    "title_canon_sha256": "e8dfdf0a73fc570cad472333686b998243e149fb3e00042a0b0c48ce4d1d154d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409636",
    "kind": "arxiv",
    "version": 1
  }
}