Pith Number

pith:LVNBMMRF

pith:2020:LVNBMMRFCSEQ34DC7X3ZATXO4M

not attested not anchored not stored refs pending

On the Period--Luminosity--Metallicity relation of Classical Cepheids

F. Cusano, G. Catanzaro, G. Clementini, G. De Somma, I. Musella, M. Marconi, R. Molinaro, S. Leccia, V. Ripepi, V. Testa

arxiv:2008.04608 v1 · 2020-08-11 · 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{LVNBMMRFCSEQ34DC7X3ZATXO4M}

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

Cepheid metallicities from low-resolution near-infrared spectra: validation against the optical reference scale

Receipt and verification

First computed	2026-07-05T01:47:02.719699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d5a16322514890df062fdf7904eeee3187cc440a95929f9a9d150de3ed5f724

Aliases

arxiv: 2008.04608 · arxiv_version: 2008.04608v1 · doi: 10.48550/arxiv.2008.04608 · pith_short_12: LVNBMMRFCSEQ · pith_short_16: LVNBMMRFCSEQ34DC · pith_short_8: LVNBMMRF

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/LVNBMMRFCSEQ34DC7X3ZATXO4M \
  | 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: 5d5a16322514890df062fdf7904eeee3187cc440a95929f9a9d150de3ed5f724

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02718a8baa836f7e7e6946424960139ee1a4575c5ac1e66a755a9a508a33bf52",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-08-11T10:04:34Z",
    "title_canon_sha256": "2dd4361612bfc53a2cedd83248df819c32a4a2ca6fbce872d02748157ae1a363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.04608",
    "kind": "arxiv",
    "version": 1
  }
}