Pith Number

pith:5E4UXRMF

pith:2018:5E4UXRMFPK2CVYZZ573IESN45P

not attested not anchored not stored refs pending

Spectrally resolved helium absorption from the extended atmosphere of a warm Neptune-mass exoplanet

A. Lecavelier des Etangs, A. Wyttenbach, C. Lovis, D. Ehrenreich, D.K. Sing, F. Pepe, J.J. Spake, L. Pino, R. Allart, V. Bourrier

arxiv:1812.02189 v1 · 2018-12-05 · 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{5E4UXRMFPK2CVYZZ573IESN45P}

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.

Cited by

1 paper in Pith

Improving radial velocity precision with CARMENES-PLUS:An upgrade of the near-infrared spectrograph cooling system

Receipt and verification

First computed	2026-05-17T23:58:56.931552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9394bc5857ab42ae339eff68249bcebddd55c30253025a8bd6535e34d3604b0

Aliases

arxiv: 1812.02189 · arxiv_version: 1812.02189v1 · doi: 10.48550/arxiv.1812.02189 · pith_short_12: 5E4UXRMFPK2C · pith_short_16: 5E4UXRMFPK2CVYZZ · pith_short_8: 5E4UXRMF

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/5E4UXRMFPK2CVYZZ573IESN45P \
  | 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: e9394bc5857ab42ae339eff68249bcebddd55c30253025a8bd6535e34d3604b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5850d24f66bc83d96bbdf435463ac811bf00302767898487fc2975627890a191",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-12-05T19:07:20Z",
    "title_canon_sha256": "68c18f447251d85efd33547bb46ccd1f37e20fadd91ec17a9c37c0fea6400b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02189",
    "kind": "arxiv",
    "version": 1
  }
}