Pith Number

pith:DQZCOU4X

pith:2009:DQZCOU4XE4L6BL6D53KFU6OEAC

not attested not anchored not stored refs pending

Fully Automated Approaches to Analyze Large-Scale Astronomy Survey Data

A. Gimenez, A. Prsa, C. R. Alcock, D. H. Bradstreet, D. J. James, E. F. Guinan, E. J. Devinney, G. P. McCook, I. Ribas, J. Devor, J. Pepper, K. Long, M. DeGeorge, P. A. Maurone, R. E. Wilson, R. Seaman, S. G. Engle, T. Zwitter

arxiv:0904.0739 v1 · 2009-04-04 · astro-ph.IM · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQZCOU4XE4L6BL6D53KFU6OEAC}

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	2026-07-04T15:40:41.277205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c322753972717e0afc3eed45a79c4008a261c9679cc9fbe90a708cf7509aa2b

Aliases

arxiv: 0904.0739 · arxiv_version: 0904.0739v1 · doi: 10.48550/arxiv.0904.0739 · pith_short_12: DQZCOU4XE4L6 · pith_short_16: DQZCOU4XE4L6BL6D · pith_short_8: DQZCOU4X

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/DQZCOU4XE4L6BL6D53KFU6OEAC \
  | 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: 1c322753972717e0afc3eed45a79c4008a261c9679cc9fbe90a708cf7509aa2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ee87ced747a1bb4f648b333dc09b09ed8930505d5bb068d2f45c5889fcfa6ef",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-04-04T21:09:21Z",
    "title_canon_sha256": "a9ad9167676db968c4f08cb0be9a4ac76b0d4626d291a1cc9db789ae1bcbaf88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0739",
    "kind": "arxiv",
    "version": 1
  }
}