Pith Number

pith:URAHVER3

pith:2013:URAHVER3CN4225FCGZIZWCM3C7

not attested not anchored not stored refs pending

Physical parameters and the projection factor of the classical Cepheid in the binary system OGLE-LMC-CEP-0227

A. Gallenne, A. Udalski, B. F. Madore, B. Pilecki, D. Graczyk, G. Bono, G. Pietrzy\'nski, I. B. Thompson, I. Soszy\'nski, J. Storm, N. Nardetto, P. G. Prada Moroni, P. Konorski, R. Smolec, V. Scowcroft, W.Gieren, W. L. Freedman

arxiv:1308.5023 v1 · 2013-08-23 · 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{URAHVER3CN4225FCGZIZWCM3C7}

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	2026-05-18T00:14:23.415111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4407a923b1379ad74a236519b099b17d58eddd5006ada434c492bc1c82899e7

Aliases

arxiv: 1308.5023 · arxiv_version: 1308.5023v1 · doi: 10.48550/arxiv.1308.5023 · pith_short_12: URAHVER3CN42 · pith_short_16: URAHVER3CN4225FC · pith_short_8: URAHVER3

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/URAHVER3CN4225FCGZIZWCM3C7 \
  | 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: a4407a923b1379ad74a236519b099b17d58eddd5006ada434c492bc1c82899e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6db419a2d3c1c324769c903a25eff78e9dde7f0fd5c75ef6fa5eb8de6766cb47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-23T00:50:35Z",
    "title_canon_sha256": "e2bcd305ac1c2014e17622a6a1f87a4458cedd1086a8696ef31d661cd217f272"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5023",
    "kind": "arxiv",
    "version": 1
  }
}