Pith Number

pith:RY2QM3T3

pith:2002:RY2QM3T3ITTHZLJGXT2OYCGD5A

not attested not anchored not stored refs pending

Time-Resolved Photometry of GK Per during the 1996 Outburst

D. Nogami, H. Baba (ISAS), T. Kato (Kyoto Univ.)

arxiv:astro-ph/0209425 v1 · 2002-09-20 · 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{RY2QM3T3ITTHZLJGXT2OYCGD5A}

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	2026-05-18T01:40:42.208149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e35066e7b44e67cad26bcf4ec08c3e83873471b9fbc8b4b22bd23c176c991df

Aliases

arxiv: astro-ph/0209425 · arxiv_version: astro-ph/0209425v1 · doi: 10.48550/arxiv.astro-ph/0209425 · pith_short_12: RY2QM3T3ITTH · pith_short_16: RY2QM3T3ITTHZLJG · pith_short_8: RY2QM3T3

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/RY2QM3T3ITTHZLJGXT2OYCGD5A \
  | 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: 8e35066e7b44e67cad26bcf4ec08c3e83873471b9fbc8b4b22bd23c176c991df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56b3a8bc57baa2852269c06ade0c8d77511cd36ba8c7947d4b10b9a0838685d7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-20T09:38:37Z",
    "title_canon_sha256": "82a8e9fa23824140cb0ec228d332b2386f59cc59f3fbdfdd31b2ae24915697db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209425",
    "kind": "arxiv",
    "version": 1
  }
}