Pith Number

pith:IC2JKQ3N

pith:2018:IC2JKQ3NPS4XIRUCFQRNNVA56K

not attested not anchored not stored refs pending

The PAU Survey: star-galaxy classification with multi narrow-band data

Adam Amara, Alex Alarc\'on, Cristobal Padilla, Enrique Fern\'andez, Enrique Gaztanaga, Eusebio S\'anchez, Francisco Javier Castander, Henk Hoekstra, Ignacio Sevilla-Noarbe, Jorge Carretero, Juan De Vicente, Juan Garc\'ia-Bellido, Laura Cabayol, Lee Stothert, Luca Tortorelli, Martin Eriksen, Martin Folger, Pau Tallada, Ramon Miquel, Ricard Casas, Santiago Serrano

arxiv:1806.08545 v2 · 2018-06-22 · 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{IC2JKQ3NPS4XIRUCFQRNNVA56K}

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	2026-05-17T23:59:52.466433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40b495436d7cb97446822c22d6d41df286a2917b727819d541ca0a32572d7d7e

Aliases

arxiv: 1806.08545 · arxiv_version: 1806.08545v2 · doi: 10.48550/arxiv.1806.08545 · pith_short_12: IC2JKQ3NPS4X · pith_short_16: IC2JKQ3NPS4XIRUC · pith_short_8: IC2JKQ3N

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/IC2JKQ3NPS4XIRUCFQRNNVA56K \
  | 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: 40b495436d7cb97446822c22d6d41df286a2917b727819d541ca0a32572d7d7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cd30d29dc74a8d5eee454ea94af590a6b6b515eecc118b7330c57c304159208",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-22T08:22:38Z",
    "title_canon_sha256": "3eacf71ed6a50ad1d9207d8b1885c64791b62379ad73e71265e3233b768545c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08545",
    "kind": "arxiv",
    "version": 2
  }
}