Pith Number

pith:WIDD4NAI

pith:2002:WIDD4NAIHGU4YOK7T6U33HONIZ

not attested not anchored not stored refs pending

Physical Parameter Eclipse Mapping of the quiescent disc in V2051 Ophiuchi

(2) University of Massachusetts, (3) W&B Observatory, Cloudcroft, Rae F. Stiening (2), South Africa, S. Vrielmann (1), USA, USA), Warren Offutt (3) ((1) University of Cape Town

arxiv:astro-ph/0203395 v2 · 2002-03-22 · 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{WIDD4NAIHGU4YOK7T6U33HONIZ}

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	2026-07-04T16:29:35.451171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2063e340839a9cc395f9fa9bd9dcd467307ef180d8f483e1cc8836669a1ac26

Aliases

arxiv: astro-ph/0203395 · arxiv_version: astro-ph/0203395v2 · doi: 10.48550/arxiv.astro-ph/0203395 · pith_short_12: WIDD4NAIHGU4 · pith_short_16: WIDD4NAIHGU4YOK7 · pith_short_8: WIDD4NAI

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/WIDD4NAIHGU4YOK7T6U33HONIZ \
  | 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: b2063e340839a9cc395f9fa9bd9dcd467307ef180d8f483e1cc8836669a1ac26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81cbbab09834e502b175c2ce64bf7428ac8ffca46456ad91f65e3d27af3dde04",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-22T10:13:12Z",
    "title_canon_sha256": "ad7d9018a248704d061b8c0c8c86f9985b11d8da78e56c211a5973a3810e7be7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203395",
    "kind": "arxiv",
    "version": 2
  }
}