Pith Number

pith:G3XBYKBR

pith:2014:G3XBYKBR4ETDM3TCNK7MKSJNXU

not attested not anchored not stored refs pending

Invention as a Combinatorial Process: Evidence from U.S. Patents

Deborah Strumsky, Hyejin Youn, Jose Lobo, Luis M. A. Bettencourt

arxiv:1406.2938 v1 · 2014-06-11 · physics.soc-ph · 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{G3XBYKBR4ETDM3TCNK7MKSJNXU}

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	2026-05-18T02:17:33.771051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36ee1c2831e126366e626abec5492dbd375df996acab97d7f9d529437579c742

Aliases

arxiv: 1406.2938 · arxiv_version: 1406.2938v1 · doi: 10.48550/arxiv.1406.2938 · pith_short_12: G3XBYKBR4ETD · pith_short_16: G3XBYKBR4ETDM3TC · pith_short_8: G3XBYKBR

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/G3XBYKBR4ETDM3TCNK7MKSJNXU \
  | 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: 36ee1c2831e126366e626abec5492dbd375df996acab97d7f9d529437579c742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e716d36b7361b120b0e3768d4360bb8655a68ebf789711e04a094cedf39467d",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-06-11T15:38:49Z",
    "title_canon_sha256": "9d5e5dbca770f5c44033fff65b6fe73cd8270d888d6f677d0493ed4553b0131c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2938",
    "kind": "arxiv",
    "version": 1
  }
}