Pith Number

pith:MUAYZTBA

pith:2026:MUAYZTBASWONPNSMBSOPAAO3JR

not attested not anchored not stored refs pending

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

A-Li Luo, Bo Zhang, Dongwei Fan, Gao-Yuan Zhang, Juan-Juan Ren, Meng-Xin Wang, Shi-Long Liao, Yihan Tao, Yong-Heng Zhao, Yong Yu, Yong Zhang, Yuzhou Wang, Zhao-Xiang Qi, Zi-Huang Cao

arxiv:2605.23136 v1 · 2026-05-22 · 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{MUAYZTBASWONPNSMBSOPAAO3JR}

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	2026-05-25T02:01:39.927256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65018ccc20959cd7b64c0c9cf001db4c64dbf94ddc7eb9c54ce8badc24666ba5

Aliases

arxiv: 2605.23136 · arxiv_version: 2605.23136v1 · doi: 10.48550/arxiv.2605.23136 · pith_short_12: MUAYZTBASWON · pith_short_16: MUAYZTBASWONPNSM · pith_short_8: MUAYZTBA

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/MUAYZTBASWONPNSMBSOPAAO3JR \
  | 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: 65018ccc20959cd7b64c0c9cf001db4c64dbf94ddc7eb9c54ce8badc24666ba5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7035b37fb4f1a0a02da3c6e5f2d07cfa63119bf5595ca2a21b4eac68d0652c05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-05-22T01:19:03Z",
    "title_canon_sha256": "8e8c9fbc268344879191a987479bc1926a959cb2185a9573d3b0611e0eac269e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23136",
    "kind": "arxiv",
    "version": 1
  }
}