Pith Number

pith:L3G5RSAP

pith:2024:L3G5RSAPF3XV5JRU4IVQSBQUJS

not attested not anchored not stored refs pending

Quasar Island -- Three new $z\sim6$ quasars, including a lensed candidate, identified with contrastive learning

Eduardo Ba\~nados, Emanuele Paolo Farina, Fabian Walter, Federica Loiacono, Roberto Decarli, Romain A. Meyer, Silvia Belladitta, Xander Byrne

arxiv:2403.17903 v1 · 2024-03-26 · 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{L3G5RSAPF3XV5JRU4IVQSBQUJS}

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.

Cited by

1 paper in Pith

A Gaia-linked High-purity QSO Candidate Catalog in Selected Fields with Extinction-binned Calibration and Spectrum-informed Training

Receipt and verification

First computed	2026-07-05T08:01:20.381405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ecdd8c80f2eef5ea634e22b0906144caf290dfe6f7199601b0d61985f4299f8

Aliases

arxiv: 2403.17903 · arxiv_version: 2403.17903v1 · doi: 10.48550/arxiv.2403.17903 · pith_short_12: L3G5RSAPF3XV · pith_short_16: L3G5RSAPF3XV5JRU · pith_short_8: L3G5RSAP

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/L3G5RSAPF3XV5JRU4IVQSBQUJS \
  | 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: 5ecdd8c80f2eef5ea634e22b0906144caf290dfe6f7199601b0d61985f4299f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9660f72ff9cb77bb7ecd3facd757061ca5f630bfe03593353d7cd08e7d69b8a6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-03-26T17:43:19Z",
    "title_canon_sha256": "eb809b01ee8b6d4117a81e8facea4d77ded76f180b4d2c3bfa1440192ad67a26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.17903",
    "kind": "arxiv",
    "version": 1
  }
}