Pith Number

pith:QIBGG7BL

pith:2004:QIBGG7BL3LZOMWUH2GLVTYB43C

not attested not anchored not stored refs pending

White dwarf envelopes: further results of a non-local model of convection

F. Kupka, M. H. Montgomery

arxiv:astro-ph/0401489 v1 · 2004-01-23 · 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{QIBGG7BL3LZOMWUH2GLVTYB43C}

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	2026-05-18T01:07:32.916944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8202637c2bdaf2e65a87d19759e03cd8a693d144e0c58b4df8564f45990fba10

Aliases

arxiv: astro-ph/0401489 · arxiv_version: astro-ph/0401489v1 · doi: 10.48550/arxiv.astro-ph/0401489 · pith_short_12: QIBGG7BL3LZO · pith_short_16: QIBGG7BL3LZOMWUH · pith_short_8: QIBGG7BL

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/QIBGG7BL3LZOMWUH2GLVTYB43C \
  | 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: 8202637c2bdaf2e65a87d19759e03cd8a693d144e0c58b4df8564f45990fba10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62b081489bd534f53c5179190536205749b2f72dc4834af122d36e83c976289c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-23T18:33:04Z",
    "title_canon_sha256": "55b932fd1f0bd94ccdc002e87795221e566a5aefec8428701f45e485572611d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401489",
    "kind": "arxiv",
    "version": 1
  }
}