Pith Number

pith:WMXXT2C3

pith:2006:WMXXT2C3P4S6JYQ24LPRJITVG5

not attested not anchored not stored refs pending

Rate of Period Change as a Diagnostic of Cepheid Properties

David G. Turner, Leonid N. Berdnikov, Mohamed Abdel-Sabour Abdel-Latif

arxiv:astro-ph/0601687 v2 · 2006-01-30 · 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{WMXXT2C3P4S6JYQ24LPRJITVG5}

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.

Cited by

1 paper in Pith

Analytic Marginalization over Binary Variables in Physics Data

Receipt and verification

First computed	2026-07-04T15:49:35.467588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b32f79e85b7f25e4e21ae2df14a2753764024a0a7739726099b62c4558ad265f

Aliases

arxiv: astro-ph/0601687 · arxiv_version: astro-ph/0601687v2 · doi: 10.48550/arxiv.astro-ph/0601687 · pith_short_12: WMXXT2C3P4S6 · pith_short_16: WMXXT2C3P4S6JYQ2 · pith_short_8: WMXXT2C3

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/WMXXT2C3P4S6JYQ24LPRJITVG5 \
  | 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: b32f79e85b7f25e4e21ae2df14a2753764024a0a7739726099b62c4558ad265f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad379d91e026f1a3b2f796ece67ecb39fe07208f3555f4b7e74b6a14549100d5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-30T16:41:02Z",
    "title_canon_sha256": "eaf647a2aedfdd0fa946c96a18e253b9c47b4ce5431600962a43ac61b5e736ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601687",
    "kind": "arxiv",
    "version": 2
  }
}