Pith Number

pith:CKJQO7IS

pith:2017:CKJQO7ISVODMVCU67W5LU4AYQC

not attested not anchored not stored refs pending

Stellar parameters for TRAPPIST-1

Adam J. Burgasser, Amaury H.M.J. Triaud, Artem Burdanov, Brice-Olivier Demory, Catarina S. Fernandes, Didier Queloz, Emmanuel Jehin, Jean Manfroid, Julien de Wit, Laetitia Delrez, Micha\"el Gillon, Richard Scuflaire, Valerie van Grootel

arxiv:1712.01911 v1 · 2017-12-05 · astro-ph.SR · 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{CKJQO7ISVODMVCU67W5LU4AYQC}

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	2026-05-18T00:24:14.992729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1293077d12ab86ca8a9efdbaba701880b489e553bd2d78ac6f7681374ddec189

Aliases

arxiv: 1712.01911 · arxiv_version: 1712.01911v1 · doi: 10.48550/arxiv.1712.01911 · pith_short_12: CKJQO7ISVODM · pith_short_16: CKJQO7ISVODMVCU6 · pith_short_8: CKJQO7IS

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/CKJQO7ISVODMVCU67W5LU4AYQC \
  | 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: 1293077d12ab86ca8a9efdbaba701880b489e553bd2d78ac6f7681374ddec189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e3a356bbc052530ef3216de52c574bea09c4d905babb6cd5d6709afa58e4025",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-05T20:30:00Z",
    "title_canon_sha256": "d70f2627ff109d0629f54f1bd3dc8f2a2c0ea404b2b9673cb1da08e1e8a4b877"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01911",
    "kind": "arxiv",
    "version": 1
  }
}