Pith Number

pith:SXAFUDSK

pith:2025:SXAFUDSK2VT6SJSPQBXGA3LTP5

not attested not anchored not stored refs pending

Optimizing Compound Retrieval Systems

Harrie Oosterhuis, Rolf Jagerman, Xuanhui Wang, Zhen Qin

arxiv:2504.12063 v1 · 2025-04-16 · cs.IR · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXAFUDSK2VT6SJSPQBXGA3LTP5}

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	2026-07-05T10:50:02.072774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95c05a0e4ad567e9264f806e606d737f5757cf51aa0c48b16fa637ec3504bdbf

Aliases

arxiv: 2504.12063 · arxiv_version: 2504.12063v1 · doi: 10.48550/arxiv.2504.12063 · pith_short_12: SXAFUDSK2VT6 · pith_short_16: SXAFUDSK2VT6SJSP · pith_short_8: SXAFUDSK

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/SXAFUDSK2VT6SJSPQBXGA3LTP5 \
  | 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: 95c05a0e4ad567e9264f806e606d737f5757cf51aa0c48b16fa637ec3504bdbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18bedd4fc64eaef5bb683eace29362c2b06de79df9d0f4c631d9002083ad4d50",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-04-16T13:18:16Z",
    "title_canon_sha256": "9c98448b3d886824dead4edbc7f30cbcf6597bf7e825b47ff7f5b5fb0b90b7de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.12063",
    "kind": "arxiv",
    "version": 1
  }
}