Pith Number

pith:PGSCO5LZ

pith:2016:PGSCO5LZNZWY2Z5K54HPO2GNV4

not attested not anchored not stored refs pending

Improving Automated Patent Claim Parsing: Dataset, System, and Experiments

David Cinciruk, John MacLaren Walsh, Mengke Hu

arxiv:1605.01744 v1 · 2016-05-05 · 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{PGSCO5LZNZWY2Z5K54HPO2GNV4}

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	2026-05-18T01:15:31.687920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79a42775796e6d8d67aaef0ef768cdaf26044b1ca68ef4b808e048db0b6c4c64

Aliases

arxiv: 1605.01744 · arxiv_version: 1605.01744v1 · doi: 10.48550/arxiv.1605.01744 · pith_short_12: PGSCO5LZNZWY · pith_short_16: PGSCO5LZNZWY2Z5K · pith_short_8: PGSCO5LZ

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/PGSCO5LZNZWY2Z5K54HPO2GNV4 \
  | 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: 79a42775796e6d8d67aaef0ef768cdaf26044b1ca68ef4b808e048db0b6c4c64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cafca4de535a221ac0598c61b9a5ef743ee7525b9e60c9d1f32a7c1a3558a526",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-05-05T20:11:57Z",
    "title_canon_sha256": "fedbfef111ca8eb4c62db54ef3d2357837e2e49de952951a273ff0d5d6eef019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01744",
    "kind": "arxiv",
    "version": 1
  }
}