Pith Number

pith:UTUZWJA3

pith:2013:UTUZWJA3LJVKT7M7WSHVK6IDAH

not attested not anchored not stored refs pending

Detection of carbon monoxide in the high-resolution day-side spectrum of the exoplanet HD 189733b

Ernst J. W. De Mooij, Ignas A.G. Snellen, Jayne Birkby, Matteo Brogi, Remco J. de Kok, Simon Albrecht

arxiv:1304.4014 v1 · 2013-04-15 · 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{UTUZWJA3LJVKT7M7WSHVK6IDAH}

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	2026-05-18T01:50:32.951467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4e99b241b5a6aa9fd9fb48f55790301d88d05c3f6e4a0fe364bd228b819ef28

Aliases

arxiv: 1304.4014 · arxiv_version: 1304.4014v1 · doi: 10.48550/arxiv.1304.4014 · pith_short_12: UTUZWJA3LJVK · pith_short_16: UTUZWJA3LJVKT7M7 · pith_short_8: UTUZWJA3

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/UTUZWJA3LJVKT7M7WSHVK6IDAH \
  | 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: a4e99b241b5a6aa9fd9fb48f55790301d88d05c3f6e4a0fe364bd228b819ef28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a713487f18ea49be90ae93dc28ee66fd8053a690d8dfbc3e7c2db43ec3d735c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-04-15T08:05:38Z",
    "title_canon_sha256": "832b53a2f8afbfab327567b608cc8e9425d62c8a0440fe627c0190491f855a66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4014",
    "kind": "arxiv",
    "version": 1
  }
}