Pith Number

pith:2LNMEWO5

pith:2026:2LNMEWO5B5ESBHT5MIQLNANCMW

not attested not anchored not stored refs pending

Declarative Data Services: Structured Agentic Discovery for Composing Data Systems

Duo Lu, Shanshan Ye

arxiv:2605.20690 v1 · 2026-05-20 · 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{2LNMEWO5B5ESBHT5MIQLNANCMW}

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	2026-05-21T01:04:49.388846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2dac259dd0f49209e7d6220b681a2659d02189e5ffd2035d7cdbda635f72eee

Aliases

arxiv: 2605.20690 · arxiv_version: 2605.20690v1 · doi: 10.48550/arxiv.2605.20690 · pith_short_12: 2LNMEWO5B5ES · pith_short_16: 2LNMEWO5B5ESBHT5 · pith_short_8: 2LNMEWO5

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/2LNMEWO5B5ESBHT5MIQLNANCMW \
  | 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: d2dac259dd0f49209e7d6220b681a2659d02189e5ffd2035d7cdbda635f72eee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f6cc65ed7228390bf71e3fd653d2ead69c9fe7aeaea94b3d10497dbd6817a1b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-20T04:36:40Z",
    "title_canon_sha256": "72b8004d4ea97cad601785319d42acbda1764cc66c7cd5580e48541c61464ace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20690",
    "kind": "arxiv",
    "version": 1
  }
}