Pith Number

pith:3SM752DD

pith:2005:3SM752DDVU4J4LCMPTHW5KM5QZ

not attested not anchored not stored refs pending

Evidence for a Universal Slope of the Period-Luminosity Relation from Direct Distances to Cepheids in the LMC

Francesco Kienzle, Grzegorz Pietrzynski, Jesper Storm, Pascal Fouque, Thomas G. Barnes III, Wolfgang Gieren

arxiv:astro-ph/0509691 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{3SM752DDVU4J4LCMPTHW5KM5QZ}

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	2026-05-18T04:33:50.745226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc99fee863ad389e2c4c7ccf6ea99d864685d3746f3086999f4fb6c3ed09da4b

Aliases

arxiv: astro-ph/0509691 · arxiv_version: astro-ph/0509691v1 · doi: 10.48550/arxiv.astro-ph/0509691 · pith_short_12: 3SM752DDVU4J · pith_short_16: 3SM752DDVU4J4LCM · pith_short_8: 3SM752DD

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/3SM752DDVU4J4LCMPTHW5KM5QZ \
  | 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: dc99fee863ad389e2c4c7ccf6ea99d864685d3746f3086999f4fb6c3ed09da4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0540b59a5e7a9ed30773ba096cb0a5bc008ffff8e8aabf3830424d6a63a78b6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-22T17:05:54Z",
    "title_canon_sha256": "e08ec3ef304ea49941dcbdf011e0da9fc6ce30358a231ef11dfb38b0d2934bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509691",
    "kind": "arxiv",
    "version": 1
  }
}