Pith Number

pith:ULPIRC6Y

pith:2002:ULPIRC6YTDVE3FTWKGIO73QGCG

not attested not anchored not stored refs pending

A revised calibration of the Mv-W(OI 7774) relationship using Hipparcos data: Its application to Cepheids and evolved stars

A. Arellano Ferro, E. Rojo Arellano, Sunetra Giridhar

arxiv:astro-ph/0210695 v1 · 2002-10-31 · 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{ULPIRC6YTDVE3FTWKGIO73QGCG}

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.

Cited by

1 paper in Pith

A Massive Yellow Supergiant in the Far Outer Disk of M31: Evidence for In Situ Massive Star Formation Beyond the Optical Radius

Receipt and verification

First computed	2026-07-04T14:12:19.536718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2de888bd898ea4d96765190efee0611ade0dc52ac52e4b5b553955545b2f51f

Aliases

arxiv: astro-ph/0210695 · arxiv_version: astro-ph/0210695v1 · doi: 10.48550/arxiv.astro-ph/0210695 · pith_short_12: ULPIRC6YTDVE · pith_short_16: ULPIRC6YTDVE3FTW · pith_short_8: ULPIRC6Y

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/ULPIRC6YTDVE3FTWKGIO73QGCG \
  | 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: a2de888bd898ea4d96765190efee0611ade0dc52ac52e4b5b553955545b2f51f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "567255b3158951ddbe321d8d6e8dca97909d196bd2dec08d9991bc789e86b3c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-31T19:46:05Z",
    "title_canon_sha256": "6164ff6857d8392bb354792a58619138e1c1de93b5c86b55a1ceb1927ee68e02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210695",
    "kind": "arxiv",
    "version": 1
  }
}