Pith Number

pith:WDRXFZGD

pith:2011:WDRXFZGD76YEQD537HOZCQ3EJQ

not attested not anchored not stored refs pending

Hubble Space Telescope Transmission Spectroscopy of the Exoplanet HD 189733b: High-altitude atmospheric haze in the optical and near-UV with STIS

A. Lecavelier des Etangs, A. Shporer, D. Charbonneau, D. K. Sing, F. Pont, G. Henry, H. Knutson, J.-M. Desert, N. Gibson, R. Gilliland, S. Aigrain, T. Mazeh, W. Hayek

arxiv:1103.0026 v2 · 2011-02-28 · 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{WDRXFZGD76YEQD537HOZCQ3EJQ}

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	2026-05-18T02:03:01.994455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0e372e4c3ffb0480fbbf9dd9143644c153123d98852d50598dc4c5b7655f006

Aliases

arxiv: 1103.0026 · arxiv_version: 1103.0026v2 · doi: 10.48550/arxiv.1103.0026 · pith_short_12: WDRXFZGD76YE · pith_short_16: WDRXFZGD76YEQD53 · pith_short_8: WDRXFZGD

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/WDRXFZGD76YEQD537HOZCQ3EJQ \
  | 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: b0e372e4c3ffb0480fbbf9dd9143644c153123d98852d50598dc4c5b7655f006

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ba98e9c34bbc8ec39fb1a4d5f47a1a300f9547b11a431a579e620fa1a5d86d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-02-28T21:17:09Z",
    "title_canon_sha256": "0ed4a92763f239187916a1c9d685585871ee73bd90dcbc15dcae508fc9071689"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0026",
    "kind": "arxiv",
    "version": 2
  }
}