Pith Number

pith:WZG2YBCO

pith:2009:WZG2YBCO3HOHNNMZX33OGRWVDL

not attested not anchored not stored refs pending

Pulsations in the atmosphere of the roAp star HD 24712 II. Theoretical models

Hideyuki Saio, Mikhail Sachkov, Tanya Ryabchikova

arxiv:0912.4401 v2 · 2009-12-22 · 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{WZG2YBCO3HOHNNMZX33OGRWVDL}

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	2026-05-18T02:10:14.614279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b64dac044ed9dc76b599bef6e346d51ac472a3c2258e0e812e82a09f3654ab44

Aliases

arxiv: 0912.4401 · arxiv_version: 0912.4401v2 · doi: 10.48550/arxiv.0912.4401 · pith_short_12: WZG2YBCO3HOH · pith_short_16: WZG2YBCO3HOHNNMZ · pith_short_8: WZG2YBCO

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/WZG2YBCO3HOHNNMZX33OGRWVDL \
  | 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: b64dac044ed9dc76b599bef6e346d51ac472a3c2258e0e812e82a09f3654ab44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8091bca57ca48cb10e10efdf81120f3c2f4d6a1b378a121e57bae72d3f3da686",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-22T13:50:25Z",
    "title_canon_sha256": "cafd2eb26faa945a5df2419f53336cf6822688ec47a797d5e733de0276dd87a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4401",
    "kind": "arxiv",
    "version": 2
  }
}