Pith Number

pith:S37U45UI

pith:2004:S37U45UI27HNF6HN25OUDUYJDH

not attested not anchored not stored refs pending

A Search for H-alpha Absorption in the Exosphere of the Transiting Extrasolar Planet HD 209458b

Brenda L. Frye, Bunei Sato, Edwin L. Turner, Joshua N. Winn, Norio Narita, Toru Yamada, Wako Aoki, Yasushi Suto

arxiv:astro-ph/0404469 v3 · 2004-04-23 · 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{S37U45UI27HNF6HN25OUDUYJDH}

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	2026-05-18T01:40:37.112954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96ff4e7688d7ced2f8edd75d41d30919dee8d2d03246ee0547053f6291623439

Aliases

arxiv: astro-ph/0404469 · arxiv_version: astro-ph/0404469v3 · doi: 10.48550/arxiv.astro-ph/0404469 · pith_short_12: S37U45UI27HN · pith_short_16: S37U45UI27HNF6HN · pith_short_8: S37U45UI

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/S37U45UI27HNF6HN25OUDUYJDH \
  | 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: 96ff4e7688d7ced2f8edd75d41d30919dee8d2d03246ee0547053f6291623439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff7687f5d84c10ae0c76716a3bbd0fa1738f99623199707d6b840a67573f0819",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-23T14:42:34Z",
    "title_canon_sha256": "6e58a97f089f91b3ad0dd86eaf5ff573bc04f8fae9df1a78629ed98c7228d0a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404469",
    "kind": "arxiv",
    "version": 3
  }
}