Pith Number

pith:HU6RJFNF

pith:2007:HU6RJFNFF2EZEXZJUP7OTWPSDN

not attested not anchored not stored refs pending

On the co-existence of chemically peculiar Bp stars, slowly pulsating B stars and constant B stars in the same part of the H-R diagram

C. Aerts, M. Briquet, M. Scholler, P. De Cat, P. North, S. Hubrig

arxiv:astro-ph/0702111 v1 · 2007-02-05 · 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{HU6RJFNFF2EZEXZJUP7OTWPSDN}

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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	2026-07-04T17:07:37.366254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d3d1495a52e89925f29a3fee9d9f21b67cb27bc4166a6484204361b63ee1869

Aliases

arxiv: astro-ph/0702111 · arxiv_version: astro-ph/0702111v1 · doi: 10.48550/arxiv.astro-ph/0702111 · pith_short_12: HU6RJFNFF2EZ · pith_short_16: HU6RJFNFF2EZEXZJ · pith_short_8: HU6RJFNF

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/HU6RJFNFF2EZEXZJUP7OTWPSDN \
  | 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: 3d3d1495a52e89925f29a3fee9d9f21b67cb27bc4166a6484204361b63ee1869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5567c5fa066758b36c4b7e44a02accb6504554fb181b0ae66da6028f711a2181",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-05T11:29:54Z",
    "title_canon_sha256": "5059d5f0d2b5f49fb8b31e42799e38243c368b788f5c03f5c1272edee97755ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702111",
    "kind": "arxiv",
    "version": 1
  }
}