Pith Number

pith:ACBIY5CJ

pith:2002:ACBIY5CJFSMOYFIZPMCRELPQVC

not attested not anchored not stored refs pending

The X-ray Source Population of "The Antennae" Galaxies: X-ray Properties from Chandra and Multiwavelength Associations

A. H. Rots, A. Zezas, G. Fabbiano, S. S. Murray (Harvard-Smithsonian Center for Astrophysics)

arxiv:astro-ph/0203175 v1 · 2002-03-12 · 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{ACBIY5CJFSMOYFIZPMCRELPQVC}

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	2026-05-18T00:29:22.024108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00828c74492c98ec15197b05122df0a8a9f5df2fb67408eb381fba58d59e7c83

Aliases

arxiv: astro-ph/0203175 · arxiv_version: astro-ph/0203175v1 · doi: 10.48550/arxiv.astro-ph/0203175 · pith_short_12: ACBIY5CJFSMO · pith_short_16: ACBIY5CJFSMOYFIZ · pith_short_8: ACBIY5CJ

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/ACBIY5CJFSMOYFIZPMCRELPQVC \
  | 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: 00828c74492c98ec15197b05122df0a8a9f5df2fb67408eb381fba58d59e7c83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4231336bfe55847ca6efd1963807dd3b1dd7d76ec0091a13e9f704c52e7d8945",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-12T05:01:23Z",
    "title_canon_sha256": "ae1a03007b534a0b70f5b5079e56c2f801cd7b2486a8e951129f47c59688d260"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203175",
    "kind": "arxiv",
    "version": 1
  }
}