Pith Number

pith:EP7OBKG4

pith:2024:EP7OBKG4KYAPLWGXWPUJRWK3RO

not attested not anchored not stored refs pending

J-PLUS: The fraction of calcium white dwarfs along the cooling sequence

A. del Pino, A. Ederoclite, A. Hern\'an-Caballero, A.J. Cenarro, A. Mar\'in-Franch, A. Rebassa-Mansergas, B.T. G\"ansicke, C. Hern\'andez-Monteagudo, C. L\'opez-Sanjuan, D. Crist\`obal-Hornillos, D. Spinoso, F.M. Jim\'enez-Esteban, H. Dom\'inguez S\'anchez, H. V\'azquez Rami\'o, J.A. Fern\'andez-Ontiveros, J.M. Carrasco, J. Varela, L. Schmidtobreick, L. Sodr\'e Jr., M.A. Hollands, M. Moles, M.W. O'Brien, N.P. Gentile Fusillo, P.-E. Tremblay, R.A. Dupke, R.E. Angulo, T. Civera

arxiv:2406.16055 v1 · 2024-06-23 · astro-ph.SR · astro-ph.EP · 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{EP7OBKG4KYAPLWGXWPUJRWK3RO}

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	2026-07-05T09:37:39.046375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23fee0a8dc5600f5d8d7b3e898d95b8bafbc4b40b0eb6e10a721636209d7f70f

Aliases

arxiv: 2406.16055 · arxiv_version: 2406.16055v1 · doi: 10.48550/arxiv.2406.16055 · pith_short_12: EP7OBKG4KYAP · pith_short_16: EP7OBKG4KYAPLWGX · pith_short_8: EP7OBKG4

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/EP7OBKG4KYAPLWGXWPUJRWK3RO \
  | 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: 23fee0a8dc5600f5d8d7b3e898d95b8bafbc4b40b0eb6e10a721636209d7f70f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30a3f72fc35785986b944cd50c7b78369ddb33b54811bb6d7d7969c7d2797444",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-06-23T09:18:28Z",
    "title_canon_sha256": "8d24db66f76725244b72f0393d93971985eeabfc1eb9f47ba21ce0242f88f159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.16055",
    "kind": "arxiv",
    "version": 1
  }
}