Pith Number

pith:YROF4WEX

pith:2025:YROF4WEX3WR4N63TQOI3BMPTJS

not attested not anchored not stored refs pending

From Graph Retrieval to Schema Realization: Counterfactual Validation for Text-to-SPARQL over Heterogeneous Knowledge Graphs

Chengxiao Dai, Dusit Niyato, Yang Zhao, Yue Xiu

arxiv:2508.01815 v2 · 2025-08-03 · cs.CL · 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{YROF4WEX3WR4N63TQOI3BMPTJS}

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	2026-06-02T01:03:32.983741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c45c5e5897dda3c6fb738391b0b1f34c8a712a7adaffa45bb171d2ce15b149b1

Aliases

arxiv: 2508.01815 · arxiv_version: 2508.01815v2 · doi: 10.48550/arxiv.2508.01815 · pith_short_12: YROF4WEX3WR4 · pith_short_16: YROF4WEX3WR4N63T · pith_short_8: YROF4WEX

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/YROF4WEX3WR4N63TQOI3BMPTJS \
  | 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: c45c5e5897dda3c6fb738391b0b1f34c8a712a7adaffa45bb171d2ce15b149b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dbd7aff2603d1565ac29a69f09ffd96fd8f04adf6e50ce7f3773aaa5806e238",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-03T15:58:54Z",
    "title_canon_sha256": "5c024df967ab10907e4dd1230b6a5a53b32ae05231726d199960b44be9aa91f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.01815",
    "kind": "arxiv",
    "version": 2
  }
}