Pith Number

pith:C6JWOKQG

pith:2025:C6JWOKQG3QON6MYMN7VDRGCRGS

not attested not anchored not stored refs pending

Research on Evaluation Methods for Patent Novelty Search Systems and Empirical Analysis

Kai Duan, Lisha Zhang, Shu Zhang, XinKai Sun

arxiv:2508.17782 v1 · 2025-08-25 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6JWOKQG3QON6MYMN7VDRGCRGS}

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	2026-07-05T11:58:47.639758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1793672a06dc1cdf330c6fea38985134a1e1e99a3e3986985c8fe8e5b8059508

Aliases

arxiv: 2508.17782 · arxiv_version: 2508.17782v1 · doi: 10.48550/arxiv.2508.17782 · pith_short_12: C6JWOKQG3QON · pith_short_16: C6JWOKQG3QON6MYM · pith_short_8: C6JWOKQG

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/C6JWOKQG3QON6MYMN7VDRGCRGS \
  | 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: 1793672a06dc1cdf330c6fea38985134a1e1e99a3e3986985c8fe8e5b8059508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dc71922a5e3aa861b98b338fc7779d32d7282ea91c15ba2fe4e8d1ae2d87882",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-08-25T08:24:04Z",
    "title_canon_sha256": "afb829ab9fb58fdb2e8110ae5a8ba0354e8c2587265032601403a7b3062f722b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.17782",
    "kind": "arxiv",
    "version": 1
  }
}