Pith Number

pith:7R43REDV

pith:2023:7R43REDVYA5YRKKK7SLDOIT2R5

not attested not anchored not stored refs pending

A Machine Learning approach for correcting radial velocities using physical observables

A. Quirrenbach, A. Reiners, D. Baroch, E. Herrero, G. Anglada-Escud\'e, I. Ribas, J. A. Caballero, J. C. Morales, J. R. Barnes, M. Lafarga, M. Perger, P. J. Amado, S.V. Jeffers

arxiv:2301.12872 v1 · 2023-01-30 · astro-ph.EP · astro-ph.IM · astro-ph.SR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7R43REDVYA5YRKKK7SLDOIT2R5}

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	2026-07-05T06:00:07.250391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc79b89075c03b88a94afc9637227a8f57adb32cb0fef46f6a6c1b05506a23b8

Aliases

arxiv: 2301.12872 · arxiv_version: 2301.12872v1 · doi: 10.48550/arxiv.2301.12872 · pith_short_12: 7R43REDVYA5Y · pith_short_16: 7R43REDVYA5YRKKK · pith_short_8: 7R43REDV

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/7R43REDVYA5YRKKK7SLDOIT2R5 \
  | 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: fc79b89075c03b88a94afc9637227a8f57adb32cb0fef46f6a6c1b05506a23b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f70adb2c71945169e6f48cdf91c2ae233500782cbd0d68a76c75e96bf6e6d8d2",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-01-30T13:25:00Z",
    "title_canon_sha256": "66d39430c390d74f8b570a82dd4c859e14ac79b3da380c1bd60c1079affea537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.12872",
    "kind": "arxiv",
    "version": 1
  }
}