Pith Number

pith:5USGO4ZH

pith:2011:5USGO4ZHQWIH526YETEVH5X4Q4

not attested not anchored not stored refs pending

Starspots and spin-orbit alignment in the WASP-4 exoplanetary system

Cesar I. Fuentes, David J. Osip, Joshua A. Carter, Joshua N. Winn, Matthew J. Holman, Roberto Sanchis-Ojeda

arxiv:1103.4859 v1 · 2011-03-24 · 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{5USGO4ZHQWIH526YETEVH5X4Q4}

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	2026-05-18T02:02:47.198381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed2467732785907eebd824c953f6fc873976f5678b86f35d8a49d979152de163

Aliases

arxiv: 1103.4859 · arxiv_version: 1103.4859v1 · doi: 10.48550/arxiv.1103.4859 · pith_short_12: 5USGO4ZHQWIH · pith_short_16: 5USGO4ZHQWIH526Y · pith_short_8: 5USGO4ZH

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/5USGO4ZHQWIH526YETEVH5X4Q4 \
  | 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: ed2467732785907eebd824c953f6fc873976f5678b86f35d8a49d979152de163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "add3558d09a6a2fd8f1c77c1c14b2265b68f6faf9fd80580d60439649472c070",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-03-24T20:00:03Z",
    "title_canon_sha256": "bb085f166bda31f2c9a3b9cb58ce06aa05dea5432897b5c5303e36a2ec2c8cd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4859",
    "kind": "arxiv",
    "version": 1
  }
}