Pith Number

pith:JPYAEKPS

pith:2007:JPYAEKPSKWA7XWRVBQJ47IRGFW

not attested not anchored not stored refs pending

The Solar Neighborhood. XIX. Discovery and Characterization of 33 New Nearby White Dwarf Systems

(2) University of Montreal, (3) University of Edinburgh Royal Observatory), John P. Subasavage (1), Nigel C. Hambly (3), P. Bergeron (2), P. Dufour (2), Thomas D. Beaulieu (1) ((1) Georgia State University, Todd J. Henry (1)

arxiv:0704.0894 v1 · 2007-04-06 · 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{JPYAEKPSKWA7XWRVBQJ47IRGFW}

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	2026-07-04T15:52:55.806879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf00229f25581fbda350c13cfa2262db704310bd5fa7844c0a5e6df8dfe4358

Aliases

arxiv: 0704.0894 · arxiv_version: 0704.0894v1 · doi: 10.48550/arxiv.0704.0894 · pith_short_12: JPYAEKPSKWA7 · pith_short_16: JPYAEKPSKWA7XWRV · pith_short_8: JPYAEKPS

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/JPYAEKPSKWA7XWRVBQJ47IRGFW \
  | 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: 4bf00229f25581fbda350c13cfa2262db704310bd5fa7844c0a5e6df8dfe4358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf437a7bdd3bb78ffbe76f886e7f5336d42614ea05f5053362aeffce52baed91",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-06T15:08:34Z",
    "title_canon_sha256": "c7b02ce6cb8f2cd91c36289b40a6a8e105a82ab1b30fb4f2e3d02eb5d2d3cb13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0894",
    "kind": "arxiv",
    "version": 1
  }
}