Pith Number

pith:WD3CHV7U

pith:2026:WD3CHV7UXRJX5AYUU5ZZZFFA2S

not attested not anchored not stored refs pending

Improving the Precision of Line-by-Line Radial Velocities: A Data-Driven Iterative Algorithm for Spectral Line Selection

Arpita Roy, Arvind F. Gupta, Brady Barth, Christian Schwab, Cullen H. Blake, Daniel M. Krolikowski, Eric A. Ford, Evan Fitzmaurice, Gudmundur Stefansson, Jason T. Wright, Jessi Cisewski-Kehe, Joe P. Ninan, Joseph M. Salzer, Kanishk Pandey, Leonardo A. Paredes, Lily L. Zhao, Michael L. Palumbo III, Paul Robertson, Ryan C. Terrien, Suvrath Mahadevan

arxiv:2606.29552 v1 · 2026-06-28 · astro-ph.EP · 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{WD3CHV7UXRJX5AYUU5ZZZFFA2S}

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	2026-06-30T01:18:11.712177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0f623d7f4bc537e8314a7739c94a0d4b5cdc56ef9017b254f026e3486f0fa22

Aliases

arxiv: 2606.29552 · arxiv_version: 2606.29552v1 · doi: 10.48550/arxiv.2606.29552 · pith_short_12: WD3CHV7UXRJX · pith_short_16: WD3CHV7UXRJX5AYU · pith_short_8: WD3CHV7U

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/WD3CHV7UXRJX5AYUU5ZZZFFA2S \
  | 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: b0f623d7f4bc537e8314a7739c94a0d4b5cdc56ef9017b254f026e3486f0fa22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba607409dfeebfa5c92b7b28941fe3610957f25019b95f37560f35cc86d00daf",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-06-28T18:34:48Z",
    "title_canon_sha256": "f76128f3b1d653c88895aa196b7d5d5a8bb2b77eb0cb0f26da1d9467b85fb4a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29552",
    "kind": "arxiv",
    "version": 1
  }
}