Pith Number

pith:NTJTXYSC

pith:2018:NTJTXYSCFGQSPNJQYH5F7VWCHX

not attested not anchored not stored refs pending

Optical and Near-Infrared Radial Velocity Content of M Dwarfs: Testing Models with Barnard's Star

\'Etienne Artigau, Lison Malo, Nicola Astudillo-Defru, Pedro Figueira, Ren\'e Doyon, Xavier Delfosse

arxiv:1803.07646 v1 · 2018-03-20 · astro-ph.IM · 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{NTJTXYSCFGQSPNJQYH5F7VWCHX}

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	2026-05-18T00:17:03.837944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cd33be24229a127b530c1fa5fd6c23dd4d07b22bed03e145db43b6497144292

Aliases

arxiv: 1803.07646 · arxiv_version: 1803.07646v1 · doi: 10.48550/arxiv.1803.07646 · pith_short_12: NTJTXYSCFGQS · pith_short_16: NTJTXYSCFGQSPNJQ · pith_short_8: NTJTXYSC

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/NTJTXYSCFGQSPNJQYH5F7VWCHX \
  | 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: 6cd33be24229a127b530c1fa5fd6c23dd4d07b22bed03e145db43b6497144292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00973abd370489a859a099bf8897c03b254271bcc8341d29caa5957920fa9041",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-20T20:47:17Z",
    "title_canon_sha256": "8b998353d5de23725c1718cc67233b372cfcce0341628d54767d5d697a78f9ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07646",
    "kind": "arxiv",
    "version": 1
  }
}