Pith Number

pith:F4OKI2ZH

pith:2015:F4OKI2ZHWVBTKO765A2WGO622Y

not attested not anchored not stored refs pending

Mapping Technology Space by Normalizing Patent Networks

Bowen Yan, Giorgio Triulzi, Jeff Alstott, Jianxi Luo

arxiv:1509.07285 v3 · 2015-09-24 · physics.soc-ph · 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{F4OKI2ZHWVBTKO765A2WGO622Y}

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	2026-05-18T00:44:58.307625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1ca46b27b543353bfee835633bdad63fbbfb331a2dce7df2b6f48ab2d83a3a

Aliases

arxiv: 1509.07285 · arxiv_version: 1509.07285v3 · doi: 10.48550/arxiv.1509.07285 · pith_short_12: F4OKI2ZHWVBT · pith_short_16: F4OKI2ZHWVBTKO76 · pith_short_8: F4OKI2ZH

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/F4OKI2ZHWVBTKO765A2WGO622Y \
  | 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: 2f1ca46b27b543353bfee835633bdad63fbbfb331a2dce7df2b6f48ab2d83a3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a76ed2d58c01b2bbaf63b643ac67e8e45a0e6cb0abc60f180c1a59b0ba543b0",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-09-24T09:34:25Z",
    "title_canon_sha256": "5df0c035ac6a3c28773b7d4dd863c4660dfe32411de7411fd5962bcd1778d38b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07285",
    "kind": "arxiv",
    "version": 3
  }
}