Pith Number

pith:DEDR6O56

pith:2026:DEDR6O566EDCSOTUVN3CCVFJGG

not attested not anchored not stored refs pending

OPERA: Online Data Pruning for Efficient Retrieval Model Adaptation

Bernie Wang, Cuixiong Hu, George Karypis, Haoyang Fang, Hengyi Wang, Katrin Kirchhoff, Shuai Zhang, Yifei Ma

arxiv:2603.17205 v3 · 2026-03-17 · cs.IR · cs.AI · cs.CL · 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{DEDR6O566EDCSOTUVN3CCVFJGG}

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	2026-08-03T01:14:50.563985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19071f3bbef106293a74ab762154a931868e3b78f5fd3ebbc21307fa0365a1bf

Aliases

arxiv: 2603.17205 · arxiv_version: 2603.17205v3 · doi: 10.48550/arxiv.2603.17205 · pith_short_12: DEDR6O566EDC · pith_short_16: DEDR6O566EDCSOTU · pith_short_8: DEDR6O56

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/DEDR6O566EDCSOTUVN3CCVFJGG \
  | 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: 19071f3bbef106293a74ab762154a931868e3b78f5fd3ebbc21307fa0365a1bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9ccc887523edc0ef9cdb99bc6ae2d94b991076c101b91cb598b4668ae00cf22",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-03-17T23:11:45Z",
    "title_canon_sha256": "e661b6fb1da2bc829e743ef4e5d597de8bf6d1abf928c37ff88d879dc7c63a7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.17205",
    "kind": "arxiv",
    "version": 3
  }
}