Pith Number

pith:33ADLYCA

pith:2021:33ADLYCADOLB4DQVBKG2WMFITT

not attested not anchored not stored refs pending

Stellar surface inhomogeneities as a potential source of the atmospheric signal detected in the K2-18 b transmission spectrum

Dana R. Louie, Elisa V. Quintana, Emily A. Gilbert, Joshua E. Schlieder, Knicole D. Col\'on, Susan E. Mullally, Thomas Barclay, Veselin B. Kostov

arxiv:2109.14608 v1 · 2021-09-29 · 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{33ADLYCADOLB4DQVBKG2WMFITT}

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	2026-07-05T03:40:48.093925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dec035e0401b961e0e150a8dab30a89cefccdc3dcd5d6942fe9ded23a54bece8

Aliases

arxiv: 2109.14608 · arxiv_version: 2109.14608v1 · doi: 10.48550/arxiv.2109.14608 · pith_short_12: 33ADLYCADOLB · pith_short_16: 33ADLYCADOLB4DQV · pith_short_8: 33ADLYCA

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/33ADLYCADOLB4DQVBKG2WMFITT \
  | 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: dec035e0401b961e0e150a8dab30a89cefccdc3dcd5d6942fe9ded23a54bece8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b49fb34e6754c3884a41f1b435aabb07c0a615ee076e8cb46fdbf90185a74813",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-09-29T17:59:05Z",
    "title_canon_sha256": "4ae9937abbf493ede4cb1fd60f41ef79002161d4383f310dff750680cd5066b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14608",
    "kind": "arxiv",
    "version": 1
  }
}