Pith Number

pith:IJDPHT4P

pith:2010:IJDPHT4P5AKEPDRMADZO7RD6X4

not attested not anchored not stored refs pending

CORS Baade-Wesselink method in the Walraven photometric system: the Period-Radius and the Period-Luminosity relation of Classical Cepheids

G. Bono, J. Lub, J.W. Pel, M. Marconi, R. Molinaro, S. Pedicelli, V. Ripepi

arxiv:1012.4376 v1 · 2010-12-20 · 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{IJDPHT4P5AKEPDRMADZO7RD6X4}

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	2026-05-18T02:04:21.887236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4246f3cf8fe814478e2c00f2efc47ebf045bb9eed195fcf826db9b8d90300428

Aliases

arxiv: 1012.4376 · arxiv_version: 1012.4376v1 · doi: 10.48550/arxiv.1012.4376 · pith_short_12: IJDPHT4P5AKE · pith_short_16: IJDPHT4P5AKEPDRM · pith_short_8: IJDPHT4P

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/IJDPHT4P5AKEPDRMADZO7RD6X4 \
  | 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: 4246f3cf8fe814478e2c00f2efc47ebf045bb9eed195fcf826db9b8d90300428

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4f37c00a792ea7f920b5acbfd1b172f4064f2f64651966235e520bd00a12b22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-20T16:03:20Z",
    "title_canon_sha256": "682176364b7ab6ebb79659c72fd26eafcbe6f416d8b0a6150840bd1e7f38e19f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4376",
    "kind": "arxiv",
    "version": 1
  }
}