Pith Number

pith:IO5HIUH6

pith:2013:IO5HIUH6THCAHA2542BZ7LLRDF

not attested not anchored not stored refs pending

Hubble Space Telescope detection of oxygen in the atmosphere of exoplanet HD189733b

Gilda Ballester, Lotfi Ben-Jaffel

arxiv:1303.4232 v1 · 2013-03-18 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IO5HIUH6THCAHA2542BZ7LLRDF}

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	2026-05-18T03:30:39.190379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43ba7450fe99c403835de6839fad71195cb5342de3239541a45803cf1dc9ecbb

Aliases

arxiv: 1303.4232 · arxiv_version: 1303.4232v1 · doi: 10.48550/arxiv.1303.4232 · pith_short_12: IO5HIUH6THCA · pith_short_16: IO5HIUH6THCAHA25 · pith_short_8: IO5HIUH6

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/IO5HIUH6THCAHA2542BZ7LLRDF \
  | 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: 43ba7450fe99c403835de6839fad71195cb5342de3239541a45803cf1dc9ecbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d57755ea5224ef2a2c24f2dfcde515071c06aa00a819fb7a776970d16dd0f0c1",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-03-18T12:55:30Z",
    "title_canon_sha256": "9fae7d49d7617def8e17c2d8422ed93ef8b9b94e6ab275174046ffbc0413b7c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4232",
    "kind": "arxiv",
    "version": 1
  }
}