Pith Number

pith:WYWVKL4U

pith:2017:WYWVKL4UCYDSJUWBEEY2FNPLHY

not attested not anchored not stored refs pending

A temperate exo-Earth around a quiet M dwarf at 3.4 parsecs

Ana\"el W\"unsche, Cristophe Lovis, Damien S\'egransan, Felipe Murgas, Fran\c{c}ois Bouchy, Francesco Pepe, Jose-Manuel Almenara, Michel Mayor, Nicola Astudillo-Defru, Nuno C. Santos, Rodrigo D\'iaz, St\'ephane Udry, Thierry Forveille, Xavier Bonfils, Xavier Delfosse

arxiv:1711.06177 v1 · 2017-11-16 · 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{WYWVKL4UCYDSJUWBEEY2FNPLHY}

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	2026-05-18T00:30:23.153657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b62d552f94160724d2c12131a2b5eb3e30792d487bdc6ed40c561fc4f808fa3f

Aliases

arxiv: 1711.06177 · arxiv_version: 1711.06177v1 · doi: 10.48550/arxiv.1711.06177 · pith_short_12: WYWVKL4UCYDS · pith_short_16: WYWVKL4UCYDSJUWB · pith_short_8: WYWVKL4U

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/WYWVKL4UCYDSJUWBEEY2FNPLHY \
  | 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: b62d552f94160724d2c12131a2b5eb3e30792d487bdc6ed40c561fc4f808fa3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b85ca7defbc7a8fe415a2ff8a297e7d9dadca8082056317aa42b88f64a9cdcde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-11-16T16:35:09Z",
    "title_canon_sha256": "1eed394388b78da82e3ddd835e40ccdbd8998072b907970fcdd73ab73261e88d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06177",
    "kind": "arxiv",
    "version": 1
  }
}