Pith Number

pith:2KEYUO3E

pith:2025:2KEYUO3EAPD3DQKZXEQZDOBYIJ

not attested not anchored not stored refs pending

Vintage NPOI: New and Updated Angular Diameters for 145 Stars

Bradley I. Kingsley, Ellyn K. Baines, Henrique R. Schmitt, James H. Clark III, Jordan M. Stone

arxiv:2506.02912 v1 · 2025-06-03 · 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{2KEYUO3EAPD3DQKZXEQZDOBYIJ}

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	2026-07-05T11:15:11.771249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2898a3b6403c7b1c159b92191b838426d61f3ed114c6b9cbe2aa07c2d59f269

Aliases

arxiv: 2506.02912 · arxiv_version: 2506.02912v1 · doi: 10.48550/arxiv.2506.02912 · pith_short_12: 2KEYUO3EAPD3 · pith_short_16: 2KEYUO3EAPD3DQKZ · pith_short_8: 2KEYUO3E

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/2KEYUO3EAPD3DQKZXEQZDOBYIJ \
  | 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: d2898a3b6403c7b1c159b92191b838426d61f3ed114c6b9cbe2aa07c2d59f269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5853213343a471512d915c74a6b831777f03badbe8a1cdd3b5c998372040aaa1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-06-03T14:17:17Z",
    "title_canon_sha256": "dfc8f141d162f48bd12e7476e26b260109867b4c71857edd974b5c1a072f9817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02912",
    "kind": "arxiv",
    "version": 1
  }
}