Pith Number

pith:CU672NQR

pith:2016:CU672NQRMPE7SD6HOHWZRUNMEA

not attested not anchored not stored refs pending

The VMC survey - XXIII. Model fitting of light and radial velocity curves of Small Magellanic Cloud classical Cepheids

Fabio Ragosta, Gisella Clementini, Marcella Marconi, Maria Ida Moretti, Maria Rosa L. Cioni, Martin A. T. Groenewegen, Richard de Grijs, Roberto Molinaro, Valentin D. Ivanov, Vincenzo Ripepi

arxiv:1612.04650 v2 · 2016-12-14 · 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{CU672NQRMPE7SD6HOHWZRUNMEA}

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	2026-05-18T00:51:41.495819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

153dfd361163c9f90fc771ed98d1ac202ed924aa94516e4f01e7fae917c8ee9d

Aliases

arxiv: 1612.04650 · arxiv_version: 1612.04650v2 · doi: 10.48550/arxiv.1612.04650 · pith_short_12: CU672NQRMPE7 · pith_short_16: CU672NQRMPE7SD6H · pith_short_8: CU672NQR

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/CU672NQRMPE7SD6HOHWZRUNMEA \
  | 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: 153dfd361163c9f90fc771ed98d1ac202ed924aa94516e4f01e7fae917c8ee9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeadc4312bbff44d9a173c11592bf5239619346ea5b52fa2d5f0d9820cceb325",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-14T14:15:45Z",
    "title_canon_sha256": "d664b72b2bdcb56621f64f20b57cc28af612d9729cf9197c73c2e9075d78af12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04650",
    "kind": "arxiv",
    "version": 2
  }
}