Pith Number

pith:AVT4QON7

pith:2025:AVT4QON7GJKZJDQROMJWNV2JUT

not attested not anchored not stored refs pending

A Highly Efficient Cross-matching Scheme using Learned Index Structure

Baolong Zhang, Dongwei Fan, Hongbo Wei, Jun Wang, Phu-Minh Lam, Qi Ma, Xiazhao Zhang, Yongheng Wang, Yu Zhou

arxiv:2504.10931 v1 · 2025-04-15 · 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{AVT4QON7GJKZJDQROMJWNV2JUT}

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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 Survey on Security with Quantum Computing

Receipt and verification

First computed	2026-07-05T10:49:26.474532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0567c839bf3255948e11731366d749a4ef872da7ad6860b3bddd011a7918085a

Aliases

arxiv: 2504.10931 · arxiv_version: 2504.10931v1 · doi: 10.48550/arxiv.2504.10931 · pith_short_12: AVT4QON7GJKZ · pith_short_16: AVT4QON7GJKZJDQR · pith_short_8: AVT4QON7

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/AVT4QON7GJKZJDQROMJWNV2JUT \
  | 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: 0567c839bf3255948e11731366d749a4ef872da7ad6860b3bddd011a7918085a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "484de0c25e3a03bda960332dffe11059a9e165480501cc38231392a11b474394",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-04-15T07:19:15Z",
    "title_canon_sha256": "aa9a6dc8bb399c0699bef82a415d1eaad991cc0aa25269d9d56b1b95b29542a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.10931",
    "kind": "arxiv",
    "version": 1
  }
}