Pith Number

pith:WF2UTAQ5

pith:2008:WF2UTAQ5UI3XETOWLHTDTUDERR

not attested not anchored not stored refs pending

Massive B-type pulsators in low-metallicity environments

C. Coutures, C. Karoff, F. Grundahl, G. Dogan, H. Kjeldsen, L. Glowienka, T. Arentoft, T. B. Nielsen

arxiv:0809.4661 v2 · 2008-09-26 · 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{WF2UTAQ5UI3XETOWLHTDTUDERR}

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	2026-07-04T15:14:39.900329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b17549821da237724dd659e639d0648c69eda00371ef58a0c509ec4782ca25f3

Aliases

arxiv: 0809.4661 · arxiv_version: 0809.4661v2 · doi: 10.48550/arxiv.0809.4661 · pith_short_12: WF2UTAQ5UI3X · pith_short_16: WF2UTAQ5UI3XETOW · pith_short_8: WF2UTAQ5

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/WF2UTAQ5UI3XETOWLHTDTUDERR \
  | 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: b17549821da237724dd659e639d0648c69eda00371ef58a0c509ec4782ca25f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c2bef55cd26235f789b1f4f4bd176b4837c70343b4c2893e311c69ab7ce228",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-26T16:02:58Z",
    "title_canon_sha256": "d61a42c0a891a4df73c0060928e52be2ef8abfac89acd3c1bae4efb36f9faa36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4661",
    "kind": "arxiv",
    "version": 2
  }
}