Pith Number

pith:JXC4Y3HQ

pith:2008:JXC4Y3HQE4ZWKITNSTXZQQVHMF

not attested not anchored not stored refs pending

Atmospheric composition and structure of HD209458b

A. Lecavelier des Etangs, A. Vidal-Madjar, D. Ehrenreich, D. Sing, G. H\'ebrard, J.-M. D\'esert, R. Ferlet

arxiv:0808.3987 v1 · 2008-08-28 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JXC4Y3HQE4ZWKITNSTXZQQVHMF}

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	2026-07-04T17:12:30.628740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dc5cc6cf0273365226d94ef9842a7617d44011a1271bf2a5538d5b90391bfc0

Aliases

arxiv: 0808.3987 · arxiv_version: 0808.3987v1 · doi: 10.48550/arxiv.0808.3987 · pith_short_12: JXC4Y3HQE4ZW · pith_short_16: JXC4Y3HQE4ZWKITN · pith_short_8: JXC4Y3HQ

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/JXC4Y3HQE4ZWKITNSTXZQQVHMF \
  | 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: 4dc5cc6cf0273365226d94ef9842a7617d44011a1271bf2a5538d5b90391bfc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7831b94ec087bd6b36254efafe20f0b96dda4dcc2d82d06c9c7c62d4773a894e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-28T20:34:56Z",
    "title_canon_sha256": "a674f3058d41dcb7313ddac24f52213fae3e9ea440525048d2ceee2ecc43810b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3987",
    "kind": "arxiv",
    "version": 1
  }
}