Pith Number

pith:3YQRFXLF

pith:2001:3YQRFXLF72U5RNGFSTTTMZRAA4

not attested not anchored not stored refs pending

Direct multi-wavelength limb-darkening measurements of three late-type giants with the Navy Prototype Optical Interferometer

A.R. Hajian, C.A. Hummel, D. Mozurkewich, K.J. Johnston, M. Wittkowski, N.M. White

arxiv:astro-ph/0108192 v1 · 2001-08-10 · 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{3YQRFXLF72U5RNGFSTTTMZRAA4}

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	2026-07-04T16:23:57.269071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2112dd65fea9d8b4c594e736662007256c9ca700069a01fde172828f9ef73c

Aliases

arxiv: astro-ph/0108192 · arxiv_version: astro-ph/0108192v1 · doi: 10.48550/arxiv.astro-ph/0108192 · pith_short_12: 3YQRFXLF72U5 · pith_short_16: 3YQRFXLF72U5RNGF · pith_short_8: 3YQRFXLF

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/3YQRFXLF72U5RNGFSTTTMZRAA4 \
  | 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: de2112dd65fea9d8b4c594e736662007256c9ca700069a01fde172828f9ef73c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50869a4b08279bbcab26cc19c89eb7ea7a44d1abc10caa1ba3bfb06233252478",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-10T20:33:32Z",
    "title_canon_sha256": "4fbfc3083827d81920afc501f76d8c8e39053d05902075c8b9b7668f90e156f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108192",
    "kind": "arxiv",
    "version": 1
  }
}