Pith Number

pith:Q2RMZC2W

pith:2005:Q2RMZC2WM2DK2KZMOM5EOHJ7VF

not attested not anchored not stored refs pending

Cool White Dwarfs in the Sloan Digital Sky Survey

D. E. Winget, Hugh C. Harris, James Liebert, Jeffrey A. Munn, Kurtis A. Williams, Mukremin Kilic, Stephen E. Levine, Ted von Hippel, Travis S. Metcalfe

arxiv:astro-ph/0503601 v1 · 2005-03-28 · 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{Q2RMZC2WM2DK2KZMOM5EOHJ7VF}

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	2026-07-04T15:26:28.785826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86a2cc8b566686ad2b2c733a471d3fa97a9db4e232d8ff5f52644e949ebc362c

Aliases

arxiv: astro-ph/0503601 · arxiv_version: astro-ph/0503601v1 · doi: 10.48550/arxiv.astro-ph/0503601 · pith_short_12: Q2RMZC2WM2DK · pith_short_16: Q2RMZC2WM2DK2KZM · pith_short_8: Q2RMZC2W

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/Q2RMZC2WM2DK2KZMOM5EOHJ7VF \
  | 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: 86a2cc8b566686ad2b2c733a471d3fa97a9db4e232d8ff5f52644e949ebc362c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "814992df27c3f7a87cbbc75b8445af60d24a2f64abbef9f6ec1db2d277d9240b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-28T23:11:31Z",
    "title_canon_sha256": "5300eec6292a2bac408b87dca5545ff67f9da07c3321f1954ae3d0031105d795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503601",
    "kind": "arxiv",
    "version": 1
  }
}