Pith Number

pith:YBZB3JWC

pith:2010:YBZB3JWCLJZBYCQUOVJ5Q5L2PZ

not attested not anchored not stored refs pending

New Insights into the Problem of the Surface Gravity Distribution of Cool DA White Dwarfs

A. Gianninas, J. S. Kalirai, P. Bergeron, P.-E. Tremblay

arxiv:1002.3585 v1 · 2010-02-18 · 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{YBZB3JWCLJZBYCQUOVJ5Q5L2PZ}

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	2026-05-18T02:08:59.396216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0721da6c25a721c0a147553d8757a7e5dcebd8a79e20c457aebd86d98a8d421

Aliases

arxiv: 1002.3585 · arxiv_version: 1002.3585v1 · doi: 10.48550/arxiv.1002.3585 · pith_short_12: YBZB3JWCLJZB · pith_short_16: YBZB3JWCLJZBYCQU · pith_short_8: YBZB3JWC

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/YBZB3JWCLJZBYCQUOVJ5Q5L2PZ \
  | 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: c0721da6c25a721c0a147553d8757a7e5dcebd8a79e20c457aebd86d98a8d421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8495486ca51f5dd335ff15a913e1d2f4e9f0f6cbd3d5e87ccda1270eab6af89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-02-18T18:05:24Z",
    "title_canon_sha256": "452a41822c4ebb1df47812c6f454ff592f12546c19c3f4832a5c1970fcc19b03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3585",
    "kind": "arxiv",
    "version": 1
  }
}