Pith Number

pith:CULFN7FK

pith:2009:CULFN7FKFAXXMBL4V6YFY7SJJF

not attested not anchored not stored refs pending

The Carnegie Astrometric Planet Search Program

Alan P. Boss, Alycia J. Weinberger, Christoph Birk, George D. Gatewood, Gregory Burley, Guillem Anglada-Escude, Ian B. Thompson, Richard J. Patterson, Steven H. Pravdo, Steven R. Majewski, Stuart B. Shaklan

arxiv:0909.2008 v1 · 2009-09-10 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CULFN7FKFAXXMBL4V6YFY7SJJF}

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	2026-05-18T04:30:03.880277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

151656fcaa282f76057cafb05c7e494957e69ddf9fae612283ecdb0bdf015dd0

Aliases

arxiv: 0909.2008 · arxiv_version: 0909.2008v1 · doi: 10.48550/arxiv.0909.2008 · pith_short_12: CULFN7FKFAXX · pith_short_16: CULFN7FKFAXXMBL4 · pith_short_8: CULFN7FK

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/CULFN7FKFAXXMBL4V6YFY7SJJF \
  | 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: 151656fcaa282f76057cafb05c7e494957e69ddf9fae612283ecdb0bdf015dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b53c6de38c9c3a4d3cc7cfe04329f0cdcc85f4569616d2d843636562eb2a10c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-09-10T18:11:56Z",
    "title_canon_sha256": "3923c42b2628b739cc165f5e754f59021e05aabe5b06eed7b3a789ed3c7ca9fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2008",
    "kind": "arxiv",
    "version": 1
  }
}