Pith Number

pith:7C7SYZM3

pith:2020:7C7SYZM3U5BL6H2BEFH72JYWAW

not attested not anchored not stored refs pending

An unusually low density ultra-short period super-Earth and three mini-Neptunes around the old star TOI-561

A. Collier Cameron, A. F. Martinez Fiorenzano, A. Ghedina, A. Harutyunyan, A. Mortier, A. S. Bonomo, A. Sozzetti, C. A. Watson, C. Lovis, D. Charbonneau, D. F. Phillips, D. Nardiello, D. Sasselov, D. W. Latham, E. Molinari, E. Poretti, F. Lienhard, F. Pepe, G. Andreuzzi, G. Lacedelli, G. Micela, G. Piotto, G. Ricker, G. Scandariato, I. Pagano, J. M. Jenkins, J. N. Winn, K. Rice, L. A. Buchhave, L. Borsato, L. Di Fabrizio, L. Malavolta, M. Damasso, M. L\'opez-Morales, M. Pinamonti, M. Stalport, R. Cosentino, S. Udry, T. G. Wilson, V. Nascimbeni, X. Dumusque

arxiv:2009.02332 v2 · 2020-09-04 · 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{7C7SYZM3U5BL6H2BEFH72JYWAW}

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	2026-07-05T01:59:32.505711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8bf2c659ba742bf1f41214ffd271605b611fa94e532c73ac34721983b9a1398

Aliases

arxiv: 2009.02332 · arxiv_version: 2009.02332v2 · doi: 10.48550/arxiv.2009.02332 · pith_short_12: 7C7SYZM3U5BL · pith_short_16: 7C7SYZM3U5BL6H2B · pith_short_8: 7C7SYZM3

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/7C7SYZM3U5BL6H2BEFH72JYWAW \
  | 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: f8bf2c659ba742bf1f41214ffd271605b611fa94e532c73ac34721983b9a1398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "748c2f6707b549f009b508bf4086cc48dd037582c959607a74914726fccff3af",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-09-04T18:00:03Z",
    "title_canon_sha256": "1abbbc0fb3df1578f1775a291cbc0009749122b2b9cbc4db9330cfe7aede9e46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02332",
    "kind": "arxiv",
    "version": 2
  }
}