Pith Number

pith:C4MKDYIG

pith:2021:C4MKDYIGGWWFFOBTN77TG2AA7D

not attested not anchored not stored refs pending

K2-79b and K2-222b: Mass measurements of two small exoplanets with periods beyond 10 days that overlap with periodic magnetic activity signals

A. F. Martinez Fiorenzano, Aldo S. Bonomo, Alessandro Sozzetti, Allyson Bieryla, Andrew Collier Cameron, Andrew Vanderburg, Annelies Mortier, Chantanelle Nava, Christophe Lovis, Christopher A. Watson, David Charbonneau, David W. Latham, Dimitar Sasselov, Emilio Molinari, Ennio Poretti, Francesco Pepe, Helen A. C. Giles, Jason D. Eastman, Ken Rice, Lars A. Buchhave, Li Zeng, Luca Di Fabrizio, Luca Malavolta, Manu Stalport, Marco Pedani, Mario Damasso, Mercedes L\'opez-Morales, Michel Mayor, Rosario Cosentino, Steven H. Saar, Xavier Dumusque

arxiv:2111.02608 v1 · 2021-11-04 · 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{C4MKDYIGGWWFFOBTN77TG2AA7D}

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	2026-07-05T03:47:46.976148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1718a1e10635ac52b8336fff336800f8eab3c30ab41c977b4d212ca4d69c210f

Aliases

arxiv: 2111.02608 · arxiv_version: 2111.02608v1 · doi: 10.48550/arxiv.2111.02608 · pith_short_12: C4MKDYIGGWWF · pith_short_16: C4MKDYIGGWWFFOBT · pith_short_8: C4MKDYIG

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/C4MKDYIGGWWFFOBTN77TG2AA7D \
  | 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: 1718a1e10635ac52b8336fff336800f8eab3c30ab41c977b4d212ca4d69c210f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "446aa185d9cffc44527a6cab33d7780832d4bdf95fa6c5217996ca88e5603606",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-11-04T03:33:27Z",
    "title_canon_sha256": "481dbb10641c71e00d881dfffde555eabbd4d696c1dd195cf8101ec7a87f94b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.02608",
    "kind": "arxiv",
    "version": 1
  }
}