Pith Number

pith:G4BTR5EG

pith:2012:G4BTR5EGY6IY7OWBRYSB3FGPSQ

not attested not anchored not stored refs pending

Patent Overlay Mapping: Visualizing Technological Distance

Alan L. Porter, Ismael Rafols, Jan Youtie, Luciano Kay, Nils Newman

arxiv:1208.4380 v3 · 2012-08-21 · physics.soc-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4BTR5EGY6IY7OWBRYSB3FGPSQ}

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	2026-05-18T02:25:05.926257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

370338f486c7918fbac18e241d94cf943f0f892b8f0e4c6ebaf9166a184788d5

Aliases

arxiv: 1208.4380 · arxiv_version: 1208.4380v3 · doi: 10.48550/arxiv.1208.4380 · pith_short_12: G4BTR5EGY6IY · pith_short_16: G4BTR5EGY6IY7OWB · pith_short_8: G4BTR5EG

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/G4BTR5EGY6IY7OWBRYSB3FGPSQ \
  | 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: 370338f486c7918fbac18e241d94cf943f0f892b8f0e4c6ebaf9166a184788d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fa37cc006b667266ac178b295184b609fbf77d34c184995d303dc76cd6b704f",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-08-21T20:40:07Z",
    "title_canon_sha256": "a22193b473d9de16dbca11d1bcde4a5969c90121f44e8ef67807ab300017076f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4380",
    "kind": "arxiv",
    "version": 3
  }
}