Pith Number

pith:UEWB2Z4L

pith:2009:UEWB2Z4LF7JCQ3HU7EQCGZSP66

not attested not anchored not stored refs pending

HAT-P-13b,c: a transiting hot Jupiter with a massive outer companion on an eccentric orbit

1), 2), (2) NSF Fellow, (3) UCB, (4) Konkoly Observatory, (5) SFSU, (6) IFA, 7), (7) Department of Astronomy, (8) Hungarian Astronomical Association.), A. Pal (4, A. W. Howard (3), B. Sipocz (1, D. A. Fischer (5), D. D. Sasselov (1), D. W. Latham (1), ELTE, G. A. Bakos (1, Gabor Kovacs (1), G. A. Esquerdo (1), Geza Kovacs (4), G. Torres (1), G. W. Marcy (3), I. Papp (8) ((1) CfA, J. A. Johnson (6), J. Hartman (1), J. Lazar (8), R. P. Stefanik (1), R. W. Noyes (1)

arxiv:0907.3525 v3 · 2009-07-21 · 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{UEWB2Z4LF7JCQ3HU7EQCGZSP66}

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	2026-05-18T02:12:55.281272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a12c1d678b2fd2286cf4f92023664ff7ba50a1c9ad9f49e8e725b0febfdc89b1

Aliases

arxiv: 0907.3525 · arxiv_version: 0907.3525v3 · doi: 10.48550/arxiv.0907.3525 · pith_short_12: UEWB2Z4LF7JC · pith_short_16: UEWB2Z4LF7JCQ3HU · pith_short_8: UEWB2Z4L

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/UEWB2Z4LF7JCQ3HU7EQCGZSP66 \
  | 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: a12c1d678b2fd2286cf4f92023664ff7ba50a1c9ad9f49e8e725b0febfdc89b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74feb38056025b82e386dd14b170c47b6270ce9f6b6dd683e06f099070f31f53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-07-21T01:48:13Z",
    "title_canon_sha256": "a4c4eb5f2f24b1c4629615c1b21444813932bd9111190635c4193d031adccd69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3525",
    "kind": "arxiv",
    "version": 3
  }
}