Pith Number

pith:XEB5K6T7

pith:2022:XEB5K6T74YSBCUNBC4AYY4D6BD

not attested not anchored not stored refs pending

Metallicity estimation of MW, SMC and LMC classical Cepheids from the shape of the $V$- and $I$-band light curves

O. Zi\'o{\l}kowska, P. Moskalik, R. Singh Rathour, R. Smolec, V. Hocd\'e

arxiv:2301.00229 v2 · 2022-12-31 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XEB5K6T74YSBCUNBC4AYY4D6BD}

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.

Cited by

1 paper in Pith

Pulsation periods reveal tension between theoretical and empirical radii for classical Cepheids in eclipsing binary systems

Receipt and verification

First computed	2026-07-05T05:53:11.383046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b903d57a7fe6241151a117018c707e08c7c7c5c0beccf5d7fb5823a69ce7ef1b

Aliases

arxiv: 2301.00229 · arxiv_version: 2301.00229v2 · doi: 10.48550/arxiv.2301.00229 · pith_short_12: XEB5K6T74YSB · pith_short_16: XEB5K6T74YSBCUNB · pith_short_8: XEB5K6T7

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/XEB5K6T74YSBCUNBC4AYY4D6BD \
  | 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: b903d57a7fe6241151a117018c707e08c7c7c5c0beccf5d7fb5823a69ce7ef1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34fae4f31906de5cb1c6c491fbd8c6aa92e723c8fd1011dbc1a05d408db05876",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-12-31T15:47:43Z",
    "title_canon_sha256": "6ab264706cad7cfb5c9c35e2f079033ffc2408e66c4b8f6a91d870e98fe2e75d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.00229",
    "kind": "arxiv",
    "version": 2
  }
}