Pith Number

pith:6HKGVNLI

pith:2009:6HKGVNLILTEYLDF5GXBCWJ4EEP

not attested not anchored not stored refs pending

Transit mapping of a starspot on CoRoT-2 - Probing a stellar surface by planetary transits

A.P. Hatzes, E.W. Guenther, H.M. Mueller, J.H.M.M. Schmitt, K.F. Huber, S. Czesla, U. Wolter

arxiv:0906.4140 v1 · 2009-06-22 · 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{6HKGVNLILTEYLDF5GXBCWJ4EEP}

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	2026-05-18T02:13:13.284063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1d46ab5685cc9858cbd35c22b278423ee301a25b5efa4942f9e640786d0ac71

Aliases

arxiv: 0906.4140 · arxiv_version: 0906.4140v1 · doi: 10.48550/arxiv.0906.4140 · pith_short_12: 6HKGVNLILTEY · pith_short_16: 6HKGVNLILTEYLDF5 · pith_short_8: 6HKGVNLI

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/6HKGVNLILTEYLDF5GXBCWJ4EEP \
  | 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: f1d46ab5685cc9858cbd35c22b278423ee301a25b5efa4942f9e640786d0ac71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93e50ce920e754fe9bc93c928f8ca66387f3c19755e0af1ac596d2183ccc12b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-22T22:35:11Z",
    "title_canon_sha256": "c2dfd80ec714841462ae13e912b99c9cada1ad7d8803fbee7a3ec7db3a65d145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4140",
    "kind": "arxiv",
    "version": 1
  }
}