Pith Number

pith:WX4GGSFL

pith:2006:WX4GGSFL3DZ73UPXK62I2SVW4C

not attested not anchored not stored refs pending

DQ white-dwarf stars with low C abundance: Possible progenitors

A. H. C\'orsico, A. M. Serenelli, C. G. Sc\'occola, L. G. Althaus, R. D. Rohrmann

arxiv:astro-ph/0602196 v1 · 2006-02-08 · 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{WX4GGSFL3DZ73UPXK62I2SVW4C}

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	2026-07-04T14:52:34.784666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5f86348abd8f3fdd1f757b48d4ab6e0845c82c9032902024211f2323db81a00

Aliases

arxiv: astro-ph/0602196 · arxiv_version: astro-ph/0602196v1 · doi: 10.48550/arxiv.astro-ph/0602196 · pith_short_12: WX4GGSFL3DZ7 · pith_short_16: WX4GGSFL3DZ73UPX · pith_short_8: WX4GGSFL

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/WX4GGSFL3DZ73UPXK62I2SVW4C \
  | 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: b5f86348abd8f3fdd1f757b48d4ab6e0845c82c9032902024211f2323db81a00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c205795fd6357e91922978ec7b7052eec3c67cc5c80474ebe130578e2bf100e0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-08T20:44:04Z",
    "title_canon_sha256": "dcc0d2eff2ccca7e2150923a2726a7d78a39b4d38b13f8e6ade0e2e3f1f7a23c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602196",
    "kind": "arxiv",
    "version": 1
  }
}