Pith Number

pith:SQEKLDHC

pith:2019:SQEKLDHCNMSGT7Q4VDK3KWND7Z

not attested not anchored not stored refs pending

Exoplanet characterisation in the longest known resonant chain: the K2-138 system seen by HARPS

A. Santerne, A. S. Bonomo, A. Vigan, B. Brugger, C. Lovis, D. Barrado, D. Bayliss, D. J. A. Brown, D. J. Armstrong, D. Pollacco, E. Carli, E. Foxell, F. Bouchy, F. Pepe, G. H\'ebrard, H. Giles, H. J. da N\'obrega, H. P. Osborn, I. Boisse, J. J. Neal, J. Kirk, J. Lillo-Box, J.-M. Almenara, J. P. Faria, L. D. Nielsen, M. Deleuil, N. C. Santos, O. Demangeon, O. Mousis, P. Figueira, P. J. Wheatley, R. F. D\'iaz, S. C. C. Barros, S. G. Sousa, S. Hojjatpanah, S. Udry, T. A. Lopez, V. Adibekyan, X. Dumusque

arxiv:1909.13527 v1 · 2019-09-30 · 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{SQEKLDHCNMSGT7Q4VDK3KWND7Z}

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

2 papers in Pith

How to measure tidal dissipation in long resonant chains

Magnesium Silicate Clouds in the Atmosphere of HD 209458b from a Rule-Based Tree-Structured Data Reduction

Receipt and verification

First computed	2026-07-05T00:15:41.056648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9408a58ce26b2469fe1ca8d5b559a3fe5052cc37072a2575aa917969e4d788d7

Aliases

arxiv: 1909.13527 · arxiv_version: 1909.13527v1 · doi: 10.48550/arxiv.1909.13527 · pith_short_12: SQEKLDHCNMSG · pith_short_16: SQEKLDHCNMSGT7Q4 · pith_short_8: SQEKLDHC

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/SQEKLDHCNMSGT7Q4VDK3KWND7Z \
  | 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: 9408a58ce26b2469fe1ca8d5b559a3fe5052cc37072a2575aa917969e4d788d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b71dbe1f64e8a1721fd4300d099f2e806629488187b3be4d65c85890755a54e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-09-30T08:52:24Z",
    "title_canon_sha256": "1aaca922b50963eb77ebaef3393fcd0da426e5cfc0267fe5a7606ef0e0726e69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13527",
    "kind": "arxiv",
    "version": 1
  }
}