Pith Number

pith:CIYP2LHA

pith:2025:CIYP2LHANR2WI6AT5DOY3UNPH7

not attested not anchored not stored refs pending

J-VAR: the northern variable sky in 7 filters -- First Data Release

A. Alvarez-Candal, A. Ederoclite, A. F. Pala, A. Hern\'an-Caballero, A. L\'opez-Sainz, A. Moreno-Signes, B. B. Siffert, B. Zacarias, C. L\'opez-Sanjuan, D. Morate, D. Muniesa-Gallardo, E. Lacruz, E. Solano, F. Galindo-Guil, F. Hern\'andez P\'erez, F. L\'opez-Mart\'inez, F. R. Herpich, G. Lorenzetti, H. V\'azquez Rami\'o, H. Vives-Arias, J. Carvano, J. Castillo, J. Hern\'andez-Fuertes, J. Lamadrid-Gutierrez, J. Zaragoza Cardiel, L. Espinosa, M. Akhlaghi, M. C. D\'iaz-Mart\'in, M. J. Castro, M. Mahlke, N. Ma\'icas-Sacristan, P. Cruz, R. Iglesias-Marzoa, R. Infante-Sainz, R. R. R. Reis, S. Kulkarni, S. Pyrzas, T. Civera, T. Kuutma, V. M. Placco

arxiv:2509.00214 v1 · 2025-08-29 · astro-ph.SR · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIYP2LHANR2WI6AT5DOY3UNPH7}

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	2026-07-05T12:02:11.657814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1230fd2ce06c75647813e8dd8dd1af3fc0d1a4a715a0e8cdff7fcc2d24495b75

Aliases

arxiv: 2509.00214 · arxiv_version: 2509.00214v1 · doi: 10.48550/arxiv.2509.00214 · pith_short_12: CIYP2LHANR2W · pith_short_16: CIYP2LHANR2WI6AT · pith_short_8: CIYP2LHA

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/CIYP2LHANR2WI6AT5DOY3UNPH7 \
  | 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: 1230fd2ce06c75647813e8dd8dd1af3fc0d1a4a715a0e8cdff7fcc2d24495b75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed45e3f5765895868f741245610dda7eff35d2b20078029688351a78c1d90d98",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-08-29T19:54:45Z",
    "title_canon_sha256": "41888c46b921fab51ab647ff09c3f4c606421dd61ad23f107aa9626ffdbf7f10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00214",
    "kind": "arxiv",
    "version": 1
  }
}