Pith Number

pith:ZF26F7TO

pith:2026:ZF26F7TOYTILHOAZSP3NCQWP4O

not attested not anchored not stored refs pending

J-PLUS: Spectral classification and photometric redshifts for 79 million sources in the fourth data release

A. del Pino, A. Ederoclite, A. Hern\'an-Caballero, A. J. Cenarro, A. Mar\'in-Franch, C. Hern\'andez-Monteagudo, C. L\'opez-Sanjuan, D. Crist\'obal-Hornillos, D. Muniesa, H. Dom\'inguez-S\'anchez, H. V\'azquez Rami\'o, J. A. Fern\'andez-Ontiveros, J. A. L. Aguerri, J. Alcaniz, J. Varela, J. Zaragoza-Cardiel, L. Sodr\'e Jr., M. Moles, R. A. Dupke, R. E. Angulo, S. Zarattini, T. Civera, V. Marra

arxiv:2607.06662 v1 · 2026-07-07 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZF26F7TOYTILHOAZSP3NCQWP4O}

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	2026-07-09T00:19:22.381633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c975e2fe6ec4d0b3b81993f6d142cfe3a1f053dfea381a4d6a48c009f134d9b2

Aliases

arxiv: 2607.06662 · arxiv_version: 2607.06662v1 · doi: 10.48550/arxiv.2607.06662 · pith_short_12: ZF26F7TOYTIL · pith_short_16: ZF26F7TOYTILHOAZ · pith_short_8: ZF26F7TO

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/ZF26F7TOYTILHOAZSP3NCQWP4O \
  | 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: c975e2fe6ec4d0b3b81993f6d142cfe3a1f053dfea381a4d6a48c009f134d9b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee481d58b4cf50b62eca52edbd6507084f1a5d2313dd413f0f8fb247f73c09c4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-07T18:00:01Z",
    "title_canon_sha256": "cdd08269d4b4cf0ad0de00f55a1b2a6c01a0b839e870843c13f5e0183e57b604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06662",
    "kind": "arxiv",
    "version": 1
  }
}