Pith Number

pith:O2UVXUWC

pith:2026:O2UVXUWCA3YAQKTOX7ZT3HYI3O

not attested not anchored not stored refs pending

Covering the Unseen: Information Demand Coverage Optimization for Retrieval-Augmented Generation

Bingxue Zhang, Feida Zhu, Jianying Jia

arxiv:2606.29328 v1 · 2026-06-28 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2UVXUWCA3YAQKTOX7ZT3HYI3O}

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	2026-06-30T01:18:01.655407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a95bd2c206f0082a6ebff33d9f08db9666342750bd1c2c89de3d78e497e51c

Aliases

arxiv: 2606.29328 · arxiv_version: 2606.29328v1 · doi: 10.48550/arxiv.2606.29328 · pith_short_12: O2UVXUWCA3YA · pith_short_16: O2UVXUWCA3YAQKTO · pith_short_8: O2UVXUWC

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/O2UVXUWCA3YAQKTOX7ZT3HYI3O \
  | 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: 76a95bd2c206f0082a6ebff33d9f08db9666342750bd1c2c89de3d78e497e51c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba5e121dc4c9d6b3980328208f1e8faef669f32a78f180cc1dc05e6447fb758",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-28T10:49:04Z",
    "title_canon_sha256": "d696ba3bb55721998e782103d162eb6fbb00d90d29620bf120d7ee7431e40fbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29328",
    "kind": "arxiv",
    "version": 1
  }
}