Pith Number

pith:X5QPEEFL

pith:2005:X5QPEEFLJRUMQ5TX4TQ3WLC7IU

not attested not anchored not stored refs pending

First Results from the CHARA Array. I. An Interferometric and Spectroscopic Study of the Fast Rotator alpha Leonis (Regulus)

C. Ogden, D.H. Berger, D.R. Gies, E. Grundstrom, E.K. Baines, G. van Belle, H.A. McAlister, Jr., J. Sturmann, L. Sturmann, M.A. Shure, N.H. Turner, S.F. Taylor, S.T. Ridgway, T.A. ten Brummelaar, W.G. Bagnuolo, W. Huang

arxiv:astro-ph/0501261 v1 · 2005-01-13 · 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{X5QPEEFLJRUMQ5TX4TQ3WLC7IU}

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	2026-05-18T03:47:43.619776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf60f210ab4c68c87677e4e1bb2c5f450f505d21ce444ab307bd366a8473ccc7

Aliases

arxiv: astro-ph/0501261 · arxiv_version: astro-ph/0501261v1 · doi: 10.48550/arxiv.astro-ph/0501261 · pith_short_12: X5QPEEFLJRUM · pith_short_16: X5QPEEFLJRUMQ5TX · pith_short_8: X5QPEEFL

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/X5QPEEFLJRUMQ5TX4TQ3WLC7IU \
  | 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: bf60f210ab4c68c87677e4e1bb2c5f450f505d21ce444ab307bd366a8473ccc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e09dc3501ceed39030eb4f768db22f832dfa1e594ac80364495699948c8be2ca",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-13T16:08:35Z",
    "title_canon_sha256": "8e1dfe15f3bfd8942c0985713f992ce550c3ab36350749d4f30248cfbe6a4bc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501261",
    "kind": "arxiv",
    "version": 1
  }
}