Pith Number

pith:NBNT775C

pith:2019:NBNT775COLCL6HORXPTN555LK6

not attested not anchored not stored refs pending

The Superior Knowledge Proximity Measure for Patent Mapping

Bowen Yan, Jianxi Luo

arxiv:1901.03925 v2 · 2019-01-13 · cs.DL · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBNT775COLCL6HORXPTN555LK6}

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	2026-05-17T23:53:41.230103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

685b3fffa272c4bf1dd1bbe6def7ab5792fd5b95ddcfa2ddc1a6f74c7aaa5b59

Aliases

arxiv: 1901.03925 · arxiv_version: 1901.03925v2 · doi: 10.48550/arxiv.1901.03925 · pith_short_12: NBNT775COLCL · pith_short_16: NBNT775COLCL6HOR · pith_short_8: NBNT775C

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/NBNT775COLCL6HORXPTN555LK6 \
  | 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: 685b3fffa272c4bf1dd1bbe6def7ab5792fd5b95ddcfa2ddc1a6f74c7aaa5b59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a2532d94d681a8a86714ad64de5e73cb189aad8a4eb32c9af429178a13dbad4",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2019-01-13T03:03:51Z",
    "title_canon_sha256": "80f6f36a6ee35df19fd3c36c3e7892d6dfca10937f3fe7990cd0e47a10979373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03925",
    "kind": "arxiv",
    "version": 2
  }
}