Pith Number

pith:YGKTUBGV

pith:2026:YGKTUBGVFRIPCQJN3VSFNOWVOM

not attested not anchored not stored refs pending

Do Agents Need Semantic Metadata? A Comparative Study in Agentic Data Retrieval

Alon Halevy, Natasha Noy, Shiyu Chen, Tarfah Alrashed

arxiv:2605.28787 v1 · 2026-05-27 · 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{YGKTUBGVFRIPCQJN3VSFNOWVOM}

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	2026-05-28T02:05:03.608963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1953a04d52c50f1412ddd6456bad57310ca8a329f72570432a4f0268e2a610d

Aliases

arxiv: 2605.28787 · arxiv_version: 2605.28787v1 · doi: 10.48550/arxiv.2605.28787 · pith_short_12: YGKTUBGVFRIP · pith_short_16: YGKTUBGVFRIPCQJN · pith_short_8: YGKTUBGV

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/YGKTUBGVFRIPCQJN3VSFNOWVOM \
  | 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: c1953a04d52c50f1412ddd6456bad57310ca8a329f72570432a4f0268e2a610d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7118e2bf60c7439139f54ed44fe5a881f124a0fd6c422fabb40491332400e926",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-05-27T17:46:43Z",
    "title_canon_sha256": "2b22067172a8990ad9b80c23cb65cb943691c342022611c0e2113fb8a7ce42d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28787",
    "kind": "arxiv",
    "version": 1
  }
}