Pith Number

pith:T5QYADBO

pith:2002:T5QYADBOXQVAFGDX66VL3A7O3B

not attested not anchored not stored refs pending

The Time-Variable Ultra-Luminous X-ray Sources of "The Antennae"

A. R. King, A. Rots, A. Zezas, Francois Schweizer, G. Fabbiano, T. J. Ponman

arxiv:astro-ph/0212437 v1 · 2002-12-19 · 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{T5QYADBOXQVAFGDX66VL3A7O3B}

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	2026-05-18T01:07:35.563606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f61800c2ebc2a029877f7aabd83eed853b626c80d7a43e886f3b114d8b7cac7

Aliases

arxiv: astro-ph/0212437 · arxiv_version: astro-ph/0212437v1 · doi: 10.48550/arxiv.astro-ph/0212437 · pith_short_12: T5QYADBOXQVA · pith_short_16: T5QYADBOXQVAFGDX · pith_short_8: T5QYADBO

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/T5QYADBOXQVAFGDX66VL3A7O3B \
  | 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: 9f61800c2ebc2a029877f7aabd83eed853b626c80d7a43e886f3b114d8b7cac7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03c30dc654aaf7c101781009f38da9c86d70f1468ad14afaf8b6e32712d319cd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-19T15:17:37Z",
    "title_canon_sha256": "25497b0f1591405e7d82e4c5db1aabbcddab742524212ef6428ac9e19558dae9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212437",
    "kind": "arxiv",
    "version": 1
  }
}