Pith Number

pith:4VEOGDOK

pith:2019:4VEOGDOKMCSYG3XI77ZDF7QWSV

not attested not anchored not stored refs pending

Precise radial velocities of giant stars. XII. Evidence against the proposed planet Aldebaran b

Andreas Quirrenbach, Katja Reichert, Sabine Reffert, Stephan Stock, Trifon Trifonov

arxiv:1903.09157 v1 · 2019-03-21 · astro-ph.SR · 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{4VEOGDOKMCSYG3XI77ZDF7QWSV}

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	2026-05-17T23:47:16.696647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e548e30dca60a5836ee8fff232fe169559492381b3e21409381db87480db76dc

Aliases

arxiv: 1903.09157 · arxiv_version: 1903.09157v1 · doi: 10.48550/arxiv.1903.09157 · pith_short_12: 4VEOGDOKMCSY · pith_short_16: 4VEOGDOKMCSYG3XI · pith_short_8: 4VEOGDOK

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/4VEOGDOKMCSYG3XI77ZDF7QWSV \
  | 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: e548e30dca60a5836ee8fff232fe169559492381b3e21409381db87480db76dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4a06e494c5fe8cb37dbf31b719536dd3bef2a81871b72c5309620764694e809",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-21T18:00:04Z",
    "title_canon_sha256": "5eeb7a2e265721c79b913c547e9214bf7b00762224e5c5808c2833576f37bb2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09157",
    "kind": "arxiv",
    "version": 1
  }
}