Pith Number

pith:G477U7IQ

pith:2009:G477U7IQCFRSLOIRDXX77SVVX2

not attested not anchored not stored refs pending

GMRT radio observations of the transiting extrasolar planet HD189733b at 244 and 614 MHz

A. Lecavelier des Etangs, Gopal-Krishna, P. Zarka, S. K. Sirothia

arxiv:0906.2783 v1 · 2009-06-15 · 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{G477U7IQCFRSLOIRDXX77SVVX2}

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	2026-05-18T02:13:19.915381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

373ffa7d10116325b9111defffcab5beae4e46d26c123a504a5574d55f3a5e9a

Aliases

arxiv: 0906.2783 · arxiv_version: 0906.2783v1 · doi: 10.48550/arxiv.0906.2783 · pith_short_12: G477U7IQCFRS · pith_short_16: G477U7IQCFRSLOIR · pith_short_8: G477U7IQ

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/G477U7IQCFRSLOIRDXX77SVVX2 \
  | 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: 373ffa7d10116325b9111defffcab5beae4e46d26c123a504a5574d55f3a5e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca12387238cd08cc40f8c4bd404a992cf1bc5286aaa760c1b4a811f5d98af239",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-06-15T20:01:16Z",
    "title_canon_sha256": "cab8473595deefd2ebc3459d19a5d09f9e47a2fc715d8e2818be57f1625b0add"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2783",
    "kind": "arxiv",
    "version": 1
  }
}