Pith Number

pith:HS3YEW7G

pith:2017:HS3YEW7GOJQAW474WTOEL5OBZ7

not attested not anchored not stored refs pending

Measurements of Physical Parameters of White Dwarfs: A Test of the Mass-Radius Relation

Antoine B\'edard, Gilles Fontaine, Pierre Bergeron

arxiv:1709.02324 v1 · 2017-09-07 · 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{HS3YEW7GOJQAW474WTOEL5OBZ7}

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	2026-05-18T00:32:39.030470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cb7825be672600b73fcb4dc45f5c1cfc40e99577f83d7c7b8d008ed18babff4

Aliases

arxiv: 1709.02324 · arxiv_version: 1709.02324v1 · doi: 10.48550/arxiv.1709.02324 · pith_short_12: HS3YEW7GOJQA · pith_short_16: HS3YEW7GOJQAW474 · pith_short_8: HS3YEW7G

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/HS3YEW7GOJQAW474WTOEL5OBZ7 \
  | 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: 3cb7825be672600b73fcb4dc45f5c1cfc40e99577f83d7c7b8d008ed18babff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dedd793716d889f807c078fc5c22e7c52965a1606a534ca6cc8b55cb36fe586",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-09-07T16:02:59Z",
    "title_canon_sha256": "503e345bd0b650df7f963e0bda15c16e5795edfaa767c5c350e7f8fc1f24dba0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02324",
    "kind": "arxiv",
    "version": 1
  }
}