Pith Number

pith:ICCEDZMT

pith:2009:ICCEDZMTUF7LWJ4WKX3ODBB7QY

not attested not anchored not stored refs pending

First Evidence of a Retrograde Orbit of Transiting Exoplanet HAT-P-7b

Bun'ei Sato, Motohide Tamura, Norio Narita, Teruyuki Hirano

arxiv:0908.1673 v2 · 2009-08-12 · astro-ph.EP · 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{ICCEDZMTUF7LWJ4WKX3ODBB7QY}

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	2026-05-18T02:12:35.091379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

408441e593a17ebb279655f6e1843f863edfca01d1fd5ec3600d3f5852628648

Aliases

arxiv: 0908.1673 · arxiv_version: 0908.1673v2 · doi: 10.48550/arxiv.0908.1673 · pith_short_12: ICCEDZMTUF7L · pith_short_16: ICCEDZMTUF7LWJ4W · pith_short_8: ICCEDZMT

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/ICCEDZMTUF7LWJ4WKX3ODBB7QY \
  | 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: 408441e593a17ebb279655f6e1843f863edfca01d1fd5ec3600d3f5852628648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ea52df467c07bbd11e3650daab8ca9e836261eed3de68949502747d3b4b8fb6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-08-12T10:45:15Z",
    "title_canon_sha256": "60e3b349facf1642e4ebe27433f1bc54b5b3d62aa6c6e643c5c2a7f7cd3fe3f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1673",
    "kind": "arxiv",
    "version": 2
  }
}