Pith Number

pith:37ET2R5C

pith:2003:37ET2R5C5TYRPXLZWLELTTZS4Z

not attested not anchored not stored refs pending

Ultra-high-precision velocity measurements of oscillations in alpha Cen A

Chris McCarthy, Christopher G. Tinney, Geoffrey W. Marcy, Hans Kjeldsen, Jason T. Wright, R. Paul Butler, Simon J. O'Toole, Timothy R. Bedding

arxiv:astro-ph/0311408 v1 · 2003-11-17 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37ET2R5C5TYRPXLZWLELTTZS4Z}

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	2026-05-18T04:27:04.719059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfc93d47a2ecf117dd79b2c8b9cf32e67c28d5fe8d2bf544b014dd7e67c2a920

Aliases

arxiv: astro-ph/0311408 · arxiv_version: astro-ph/0311408v1 · doi: 10.48550/arxiv.astro-ph/0311408 · pith_short_12: 37ET2R5C5TYR · pith_short_16: 37ET2R5C5TYRPXLZ · pith_short_8: 37ET2R5C

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/37ET2R5C5TYRPXLZWLELTTZS4Z \
  | 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: dfc93d47a2ecf117dd79b2c8b9cf32e67c28d5fe8d2bf544b014dd7e67c2a920

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14776ed70a3da99e939d2c3219dc7e0d9f417e732de8b2e78926c823899c7591",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-11-17T22:37:39Z",
    "title_canon_sha256": "989d7be7482869774978b4f14456b48f6b9151ed76fb2a3e01525dec8ebd19c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0311408",
    "kind": "arxiv",
    "version": 1
  }
}