Pith Number

pith:44EKEHYH

pith:2018:44EKEHYH3COLLE52ORYJYVHWYI

not attested not anchored not stored refs pending

Atmospheric reconnaissance of the habitable-zone Earth-sized planets orbiting TRAPPIST-1

A. H. M. J. Triaud, A. J. Burgasser, B.-O. Demory, E. Bolmont, E. Jehin, F. Selsis, H. R. Wakeford, J. de Wit, J. Leconte, J. Owen, L. Delrez, M. Gillon, N. Lewis, S. Grimm, S. M. Lederer, V. Bourrier, V. Stamenkovic

arxiv:1802.02250 v1 · 2018-02-06 · 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{44EKEHYH3COLLE52ORYJYVHWYI}

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	2026-05-18T00:22:38.829905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e708a21f07d89cb593ba74709c54f6c22da668eaba419873838481925cb371ae

Aliases

arxiv: 1802.02250 · arxiv_version: 1802.02250v1 · doi: 10.48550/arxiv.1802.02250 · pith_short_12: 44EKEHYH3COL · pith_short_16: 44EKEHYH3COLLE52 · pith_short_8: 44EKEHYH

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/44EKEHYH3COLLE52ORYJYVHWYI \
  | 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: e708a21f07d89cb593ba74709c54f6c22da668eaba419873838481925cb371ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57674d9e1f457da499c6f92fa428a96fd7517cd315c7ba91e11291d18dec54a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-06T22:42:01Z",
    "title_canon_sha256": "d909ab9c4f8a0299d0f04cb0626d2141d4908eb5b14e99a3f17f64a4e66fa777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02250",
    "kind": "arxiv",
    "version": 1
  }
}