Pith Number

pith:ULMKNHNW

pith:2026:ULMKNHNWONSRCKLU6SWCWPY7KM

not attested not anchored not stored refs pending

The SPACE Program II: No discernible spectral features in the transmission spectrum of the sub-Neptune HD 191939 b observed with HST/WFC3

Antonio Garc\'ia Mu\~noz, Bertram Bitsch, Cyril Gapp, David J. Wilson, Drake Deming, Ian J.M. Crossfield, James S. Jenkins, K. Angelique Kahle, Keivan G. Stassun, Kevin France, Kevin Heng, Laura Kreidberg, Lorena Acu\~na-Aguirre, Ludmila Carone, Mario Damiano, Qiushi Chris Tian, Reza Ashtari, Seth Redfield, Tansu Daylan, Thomas M. Evans-Soma

arxiv:2608.05962 v1 · 2026-08-06 · 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{ULMKNHNWONSRCKLU6SWCWPY7KM}

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	2026-08-07T00:54:33.808437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2d8a69db67365112974f4ac2b3f1f5336071425fc57ef77ac9ddc904efce431

Aliases

arxiv: 2608.05962 · arxiv_version: 2608.05962v1 · doi: 10.48550/arxiv.2608.05962 · pith_short_12: ULMKNHNWONSR · pith_short_16: ULMKNHNWONSRCKLU · pith_short_8: ULMKNHNW

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/ULMKNHNWONSRCKLU6SWCWPY7KM \
  | 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: a2d8a69db67365112974f4ac2b3f1f5336071425fc57ef77ac9ddc904efce431

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92ab7ce3c66b1d09136116adc25506eb57ef633a62df5361a90cb5dbb2c3423b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-08-06T12:36:27Z",
    "title_canon_sha256": "16975975120520da1d2e937e495624bb70927536d8e7d3586732f28d0beb12c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05962",
    "kind": "arxiv",
    "version": 1
  }
}