Pith Number

pith:HH6RWKFL

pith:2009:HH6RWKFLSD72MLT3SICWDAUJUJ

not attested not anchored not stored refs pending

A Search for Additional Planets in the NASA EPOXI Observations of the Exoplanet System GJ 436

Carey M. Lisse, Daniel Fabrycky, David Charbonneau, Dennis D. Wellnitz, Don L. Hampton, Drake Deming, Jessica M. Sunshine, Jessie L. Christiansen, Joseph F. Veverka, Marc J. Kuchner, Matthew J. Holman, Michael F. A'Hearn, Richard K. Barry, Sarah Ballard, Sara Seager, Tilak Hewagama, Timothy A. Livengood

arxiv:0909.2875 v2 · 2009-09-15 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HH6RWKFLSD72MLT3SICWDAUJUJ}

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	2026-05-18T02:34:29.938220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39fd1b28ab90ffa62e7b9205618289a2433604d2a8e8a8b48c9c3b491e1c1e6d

Aliases

arxiv: 0909.2875 · arxiv_version: 0909.2875v2 · doi: 10.48550/arxiv.0909.2875 · pith_short_12: HH6RWKFLSD72 · pith_short_16: HH6RWKFLSD72MLT3 · pith_short_8: HH6RWKFL

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/HH6RWKFLSD72MLT3SICWDAUJUJ \
  | 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: 39fd1b28ab90ffa62e7b9205618289a2433604d2a8e8a8b48c9c3b491e1c1e6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d465e6d0eccddc9adc20f60bd6573b1427b5456633baab114270e16d5d5012c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-09-15T20:19:32Z",
    "title_canon_sha256": "0fc882fdcdb1b8dfa07243e53c5e348d6503f7f8f6f9b57073613eb10dda38dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2875",
    "kind": "arxiv",
    "version": 2
  }
}