Pith Number

pith:P4LDGJLO

pith:2012:P4LDGJLOGA5NSXKSU73F6QYH36

not attested not anchored not stored refs pending

Temperature-Pressure Profile of the hot Jupiter HD 189733b from HST Sodium Observations: Detection of Upper Atmospheric Heating

Alain Lecavelier des Etangs, Alfred Vidal-Madjar, Catherine M. Huitson, David K. Sing, Fr\'ed\'eric Pont, Gilda E. Ballester, Jean-Michel D\'esert

arxiv:1202.4721 v1 · 2012-02-21 · 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{P4LDGJLOGA5NSXKSU73F6QYH36}

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	2026-05-18T01:58:22.748644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f1633256e303ad95d52a7f65f4307dfa7834d5fd31278cc6bbeb87805f4cca5

Aliases

arxiv: 1202.4721 · arxiv_version: 1202.4721v1 · doi: 10.48550/arxiv.1202.4721 · pith_short_12: P4LDGJLOGA5N · pith_short_16: P4LDGJLOGA5NSXKS · pith_short_8: P4LDGJLO

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/P4LDGJLOGA5NSXKSU73F6QYH36 \
  | 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: 7f1633256e303ad95d52a7f65f4307dfa7834d5fd31278cc6bbeb87805f4cca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b051a058c6dc58306885a7de81b8a1ec65e7a5a264baf1055ca91f3a05716e7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-02-21T18:09:16Z",
    "title_canon_sha256": "7ac0d7309dc71dc763c38e411f6c185918973a639323872660bdf005bc2292af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4721",
    "kind": "arxiv",
    "version": 1
  }
}