Pith Number

pith:PR2BBLWL

pith:2005:PR2BBLWLJB7MEOI4ERJY2QQGZI

not attested not anchored not stored refs pending

Close frequencies in pulsating stars: common and mysterious!

A. A. Pamyatnykh, M. Breger

arxiv:astro-ph/0509666 v1 · 2005-09-22 · 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{PR2BBLWLJB7MEOI4ERJY2QQGZI}

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	2026-05-18T04:33:50.757248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c7410aecb487ec2391c24538d4206ca387d1c87e5d35bc2bb5d8c13b6f0a25c

Aliases

arxiv: astro-ph/0509666 · arxiv_version: astro-ph/0509666v1 · doi: 10.48550/arxiv.astro-ph/0509666 · pith_short_12: PR2BBLWLJB7M · pith_short_16: PR2BBLWLJB7MEOI4 · pith_short_8: PR2BBLWL

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/PR2BBLWLJB7MEOI4ERJY2QQGZI \
  | 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: 7c7410aecb487ec2391c24538d4206ca387d1c87e5d35bc2bb5d8c13b6f0a25c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31ec13eb4a3840169fd4a7bf9740f0e1cda639dde90b7f3078ff8a70a4124604",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-22T10:07:12Z",
    "title_canon_sha256": "dec4730cdd6667647af62fdcec627138c4a33f28e75ce541d36e0a72bf4ac899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509666",
    "kind": "arxiv",
    "version": 1
  }
}