Pith Number

pith:Q6P6SLOR

pith:2002:Q6P6SLOR7KCEOCYUGAITF3HQKR

not attested not anchored not stored refs pending

UU Aqr from high to low state

(2) Universidade Federal de Santa Catarina, Brazil), Florianspolis, Raymundo Baptista (2) ((1) University of Cape Town, Sonja Vrielmann (1), South Africa

arxiv:astro-ph/0203304 v1 · 2002-03-19 · 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{Q6P6SLOR7KCEOCYUGAITF3HQKR}

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	2026-07-04T16:29:34.051606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

879fe92dd1fa84470b14301132ecf0544099aeef6db1056b360f6ead395ebaa7

Aliases

arxiv: astro-ph/0203304 · arxiv_version: astro-ph/0203304v1 · doi: 10.48550/arxiv.astro-ph/0203304 · pith_short_12: Q6P6SLOR7KCE · pith_short_16: Q6P6SLOR7KCEOCYU · pith_short_8: Q6P6SLOR

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/Q6P6SLOR7KCEOCYUGAITF3HQKR \
  | 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: 879fe92dd1fa84470b14301132ecf0544099aeef6db1056b360f6ead395ebaa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a32f662a4e75e2f4fe87d936771d3e676c6d3ad2b09b3122f8594ab67568bb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-19T15:06:03Z",
    "title_canon_sha256": "7dadc40126bbd7ddeb78c15f362beedd426ab70018f5bc643410c83473f4f6ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203304",
    "kind": "arxiv",
    "version": 1
  }
}