Pith Number

pith:KGLRG5ZW

pith:2026:KGLRG5ZWWBPNEY2EBTAKJOI27L

not attested not anchored not stored refs pending

When Knowledge Is Not Free: Cost-Aware Evidence Selection in Retrieval-Augmented Generation

Han Yang, Mingyan Wu, Omer Ben-Porat, Yftah Ziser

arxiv:2606.02245 v1 · 2026-06-01 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KGLRG5ZWWBPNEY2EBTAKJOI27L}

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	2026-06-02T03:04:53.982872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5197137736b05ed263440cc0a4b91afac2fb2f9bb077ce3e9e3bbe77d2096727

Aliases

arxiv: 2606.02245 · arxiv_version: 2606.02245v1 · doi: 10.48550/arxiv.2606.02245 · pith_short_12: KGLRG5ZWWBPN · pith_short_16: KGLRG5ZWWBPNEY2E · pith_short_8: KGLRG5ZW

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/KGLRG5ZWWBPNEY2EBTAKJOI27L \
  | 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: 5197137736b05ed263440cc0a4b91afac2fb2f9bb077ce3e9e3bbe77d2096727

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b84d5ed786b198a64d023eda8a9253963411b2885543bfbc515d75c5cab1c1ef",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-01T13:39:39Z",
    "title_canon_sha256": "677ab2fd2696776c06f6050b944976454d215b724ba8a9e32999c35badc5dc72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02245",
    "kind": "arxiv",
    "version": 1
  }
}