Pith Number

pith:PV2GZA3R

pith:2026:PV2GZA3RZ4F5PSEZPTPDFJEDJX

not attested not anchored not stored refs pending

Enhancing Generative Information Extraction with Two-step Validation: A Product Attribute Use Case

Nermeen Abou Baker, Uwe Handmann, Yi-Sheng Hsu

arxiv:2607.26780 v1 · 2026-07-29 · 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{PV2GZA3RZ4F5PSEZPTPDFJEDJX}

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	2026-07-30T01:22:17.123378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

7d746c8371cf0bd7c8997cde32a4834dc3ba86943b5e92764ce0e8cdc468c156

Aliases

arxiv: 2607.26780 · arxiv_version: 2607.26780v1 · doi: 10.48550/arxiv.2607.26780 · pith_short_12: PV2GZA3RZ4F5 · pith_short_16: PV2GZA3RZ4F5PSEZ · pith_short_8: PV2GZA3R

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/PV2GZA3RZ4F5PSEZPTPDFJEDJX \
  | 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: 7d746c8371cf0bd7c8997cde32a4834dc3ba86943b5e92764ce0e8cdc468c156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a49b86f6d475f178ed092095aabad5b037d9952a47e52796a1ae3d28366c08b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-29T11:23:10Z",
    "title_canon_sha256": "c1cedb7bae58068b56d950a5b7624e8dd6683eb2339bc84095e14af7e8d0e808"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26780",
    "kind": "arxiv",
    "version": 1
  }
}