Pith Number

pith:QZTX643B

pith:2009:QZTX643BYN75XZQMETN3EOR3BG

not attested not anchored not stored refs pending

Characterizing the pulsations of the ZZ Ceti star KUV 02464+3239

A. Bischoff-Kim, M. Papar\'o, P. A. Bradley, Zs. Bogn\'ar

arxiv:0909.0157 v1 · 2009-09-01 · 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{QZTX643BYN75XZQMETN3EOR3BG}

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	2026-05-18T02:12:12.191133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86677f7361c37fdbe60c24dbb23a3b098d7a3476e9f701bafb279668a72bef90

Aliases

arxiv: 0909.0157 · arxiv_version: 0909.0157v1 · doi: 10.48550/arxiv.0909.0157 · pith_short_12: QZTX643BYN75 · pith_short_16: QZTX643BYN75XZQM · pith_short_8: QZTX643B

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/QZTX643BYN75XZQMETN3EOR3BG \
  | 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: 86677f7361c37fdbe60c24dbb23a3b098d7a3476e9f701bafb279668a72bef90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab5fe6924b69fc1b14a9c21fa4d20639193a17e947cec8dd18a76664afe067a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-01T11:59:14Z",
    "title_canon_sha256": "a8440e238f42a5d7a1439bf7bfb6f38913c06418ef7e9322e93b66b367beefd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0157",
    "kind": "arxiv",
    "version": 1
  }
}