Pith Number

pith:AA3RQ6MV

pith:2011:AA3RQ6MVNLDLURHZU662D7O5EC

not attested not anchored not stored refs pending

LBQS 0103-2753: A Binary Quasar in a Major Merger

D. J. Rosario, E. W. Bonning, G. A. Shields, S. C. Chapman, T. Chiba, V. Junkkarinen

arxiv:1109.1524 v1 · 2011-09-07 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AA3RQ6MVNLDLURHZU662D7O5EC}

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	2026-05-18T02:00:38.271069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00371879956ac6ba44f9a7bda1fddd20afa154f07230558962b833a5cf645681

Aliases

arxiv: 1109.1524 · arxiv_version: 1109.1524v1 · doi: 10.48550/arxiv.1109.1524 · pith_short_12: AA3RQ6MVNLDL · pith_short_16: AA3RQ6MVNLDLURHZ · pith_short_8: AA3RQ6MV

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/AA3RQ6MVNLDLURHZU662D7O5EC \
  | 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: 00371879956ac6ba44f9a7bda1fddd20afa154f07230558962b833a5cf645681

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a3b5518f9f2da9d512272e7ea6d773afad943c164d98534956af8e0bc540487",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-07T18:08:33Z",
    "title_canon_sha256": "b4955cee7de0e3a2977a8df5d0f66e638afca71ff81e5832e7d6c584eb067af6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1524",
    "kind": "arxiv",
    "version": 1
  }
}