Pith Number

pith:DQNOHQKN

pith:2017:DQNOHQKNT2JITCL2GAT3KOYZSU

not attested not anchored not stored refs pending

Characterization of the K2-18 multi-planetary system with HARPS: A habitable zone super-Earth and discovery of a second, warm super-Earth on a non-coplanar orbit

A. W\"unsche, B. Benneke, C. Lovis, D. Ehrenreich, F. Bouchy, F. Murgas, F. Pepe, J. M. Almenara, J. Rowe, K. Menou, M. Mayor, N. Astudillo-Defru, N. C. Santos, R. Cloutier, R. Doyon, S. Udry, T. Forveille, X. Bonfils, X. Delfosse

arxiv:1707.04292 v1 · 2017-07-13 · 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{DQNOHQKNT2JITCL2GAT3KOYZSU}

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	2026-05-18T00:28:45.664398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c1ae3c14d9e9289897a3027b53b199537ff00c0a63cdcaee65ac4e184af0973

Aliases

arxiv: 1707.04292 · arxiv_version: 1707.04292v1 · doi: 10.48550/arxiv.1707.04292 · pith_short_12: DQNOHQKNT2JI · pith_short_16: DQNOHQKNT2JITCL2 · pith_short_8: DQNOHQKN

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/DQNOHQKNT2JITCL2GAT3KOYZSU \
  | 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: 1c1ae3c14d9e9289897a3027b53b199537ff00c0a63cdcaee65ac4e184af0973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f30e6bc64a0659e155531a737728cf4f1f93e1a65bc2cc5c48aeb7802b1f64c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-07-13T19:59:08Z",
    "title_canon_sha256": "6fd37f65f46c52a9a11a684f88ef4867c10518e3dd066d2af532fbb5355db1b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04292",
    "kind": "arxiv",
    "version": 1
  }
}