Pith Number

pith:ZR6GLRKR

pith:2018:ZR6GLRKRCHNJLAY7XZHG2YUVKH

not attested not anchored not stored refs pending

Masses and radii for the three super-Earths orbiting GJ 9827, and implications for the composition of small exoplanets

A. C. Cameron, A. Coffinet, A.F. Martinez Fiorenzano, A. Mayo, A. Mortier, A.S. Bonomo, A. Sozzetti, A. Vanderburg, C. Lovis, C. Nava, C. Watson, D. Charbonneau, D.F. Phillips, D. Sasselov, D. S\'egransan, D. W. Latham, E. Lopez, E. Molinari, E. Poretti, F. Bouchy, F. Pepe, G. Micela, G. Piotto, J. Asher Johnson, K. Rice, L.A. Buchhave, L. Affer, L. Malavolta, L. Zeng, M. Damasso, M. Lopez-Morales, M. Mayor, P. Figueira, R.D. Haywood, S. Udry, V. Nascimbeni, X. Dumusque

arxiv:1812.07302 v3 · 2018-12-18 · astro-ph.EP · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZR6GLRKRCHNJLAY7XZHG2YUVKH}

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	2026-05-17T23:55:53.373905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc7c65c55111da95831fbe4e6d629551dc7cc9171eaf17a0581fb8e930b9b07e

Aliases

arxiv: 1812.07302 · arxiv_version: 1812.07302v3 · doi: 10.48550/arxiv.1812.07302 · pith_short_12: ZR6GLRKRCHNJ · pith_short_16: ZR6GLRKRCHNJLAY7 · pith_short_8: ZR6GLRKR

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/ZR6GLRKRCHNJLAY7XZHG2YUVKH \
  | 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: cc7c65c55111da95831fbe4e6d629551dc7cc9171eaf17a0581fb8e930b9b07e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3b0b7c5743d699dd2257d33bbe5576b4044843a410d965e4129fc9d31eac625",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-12-18T11:18:16Z",
    "title_canon_sha256": "80a1ab500f38a2ca1021950a5c9d98a92c4304812423bfadfddf36978fd023c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07302",
    "kind": "arxiv",
    "version": 3
  }
}