Pith Number

pith:ZIVE7EET

pith:2012:ZIVE7EET5SWQKVLXJOC4UFNKIO

not attested not anchored not stored refs pending

Cepheid distances from the Baade-Wesselink method

Alexandre Gallenne, Daniel Majaess, Grzegorz Pietrzy\'nski, Jesper Storm, Nicolas Nardetto, Pascal Fouqu\'e, Thomas G. Barnes, Wolfgang Gieren

arxiv:1210.7150 v1 · 2012-10-26 · astro-ph.CO · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZIVE7EET5SWQKVLXJOC4UFNKIO}

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	2026-05-18T01:53:37.221995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca2a4f9093ecad0555774b85ca15aa43be1df79ae8ab5900c2e0a958cee73edc

Aliases

arxiv: 1210.7150 · arxiv_version: 1210.7150v1 · doi: 10.48550/arxiv.1210.7150 · pith_short_12: ZIVE7EET5SWQ · pith_short_16: ZIVE7EET5SWQKVLX · pith_short_8: ZIVE7EET

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/ZIVE7EET5SWQKVLXJOC4UFNKIO \
  | 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: ca2a4f9093ecad0555774b85ca15aa43be1df79ae8ab5900c2e0a958cee73edc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a5a8b161b4317aa808d6684cfee575592266f4e28f3312ddf3580c9c4d4cfe9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-26T14:04:36Z",
    "title_canon_sha256": "14d0716d35c8728e1b56ff8deb5a03de4a274dcb0ca3796083fdeaace1f49f7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7150",
    "kind": "arxiv",
    "version": 1
  }
}