Pith Number

pith:ITOLGUQG

pith:2005:ITOLGUQGICMR4UQFNQRBVD377H

not attested not anchored not stored refs pending

Direct Distances to Cepheids in the Large Magellanic Cloud: Evidence for a Universal Slope of the Period-Luminosity Relation up to Solar Abundance

F. Kienzle, G. Pietrzynski, J. Storm, P. Fouque, T.G. Barnes III, W. Gieren

arxiv:astro-ph/0503637 v1 · 2005-03-29 · 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{ITOLGUQGICMR4UQFNQRBVD377H}

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	2026-05-18T01:07:31.541848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44dcb3520640991e52056c221a8f7ff9cc48cb004c5968202a41e19e6086d04e

Aliases

arxiv: astro-ph/0503637 · arxiv_version: astro-ph/0503637v1 · doi: 10.48550/arxiv.astro-ph/0503637 · pith_short_12: ITOLGUQGICMR · pith_short_16: ITOLGUQGICMR4UQF · pith_short_8: ITOLGUQG

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/ITOLGUQGICMR4UQFNQRBVD377H \
  | 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: 44dcb3520640991e52056c221a8f7ff9cc48cb004c5968202a41e19e6086d04e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d394632e6932d30a248d74ae46ca988de48487479a7d1f23560698f65d43c64",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-29T22:48:57Z",
    "title_canon_sha256": "6f45f542c0c54640ba521d5dbd5b6c29dec908adf8e58c9093cd75cb827dd542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503637",
    "kind": "arxiv",
    "version": 1
  }
}