Pith Number

pith:YEP3A6A6

pith:2009:YEP3A6A6ETS6PMHI2SRTV7S5PA

not attested not anchored not stored refs pending

A 3-D study of the photosphere of HD99563: I. Pulsation analysis

D. W. Kurtz, G. Mathys, H. Shibahashi, I. Savanov, K. Sekiguchi, L. M. Freyhammer, V. G. Elkin, W. Zima

arxiv:0904.3530 v1 · 2009-04-22 · 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{YEP3A6A6ETS6PMHI2SRTV7S5PA}

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	2026-05-18T02:13:57.985382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c11fb0781e24e5e7b0e8d4a33afe5d78322a01dc72da3aeb6a79a98303f79996

Aliases

arxiv: 0904.3530 · arxiv_version: 0904.3530v1 · doi: 10.48550/arxiv.0904.3530 · pith_short_12: YEP3A6A6ETS6 · pith_short_16: YEP3A6A6ETS6PMHI · pith_short_8: YEP3A6A6

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/YEP3A6A6ETS6PMHI2SRTV7S5PA \
  | 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: c11fb0781e24e5e7b0e8d4a33afe5d78322a01dc72da3aeb6a79a98303f79996

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbcc372624f4a0eaebf5e3a84ba81379ca19d1283333a5436d57eeaa6eaf092b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-22T18:54:01Z",
    "title_canon_sha256": "7237e170d43476129b6add1fbf2e2fd25e5dc0bdc3209ddede5bbf179aa93615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3530",
    "kind": "arxiv",
    "version": 1
  }
}