Pith Number

pith:IZ3Q3Z3X

pith:2009:IZ3Q3Z3XDWI6RJIK2CH3JG3AEJ

not attested not anchored not stored refs pending

Exoplanet Transit Database. Reduction and processing of the photometric data of exoplanet transits

Lubo\v{s} Br\'at, Ond\v{r}ej Pejcha, Stanislav Poddan\'y

arxiv:0909.2548 v1 · 2009-09-14 · 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{IZ3Q3Z3XDWI6RJIK2CH3JG3AEJ}

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	2026-05-18T02:34:30.174382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46770de7771d91e8a50ad08fb49b602244e0c0c548a477df20f2034254cd7189

Aliases

arxiv: 0909.2548 · arxiv_version: 0909.2548v1 · doi: 10.48550/arxiv.0909.2548 · pith_short_12: IZ3Q3Z3XDWI6 · pith_short_16: IZ3Q3Z3XDWI6RJIK · pith_short_8: IZ3Q3Z3X

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/IZ3Q3Z3XDWI6RJIK2CH3JG3AEJ \
  | 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: 46770de7771d91e8a50ad08fb49b602244e0c0c548a477df20f2034254cd7189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f26cf90de0fa5d359771359571e82ecf18fc692daf461126babb4f59711361b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-09-14T13:54:06Z",
    "title_canon_sha256": "e1964e36be1a0601d22622e19e6610784ba0fe0be632eaf9f0bcb5d59278f789"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2548",
    "kind": "arxiv",
    "version": 1
  }
}