Pith Number

pith:IMJNPZOH

pith:2021:IMJNPZOHBGEOZ2B72J4LVRINC5

not attested not anchored not stored refs pending

Measuring Law Over Time: A Network Analytical Framework with an Application to Statutes and Regulations in the United States and Germany

Corinna Coupette, Daniel Martin Katz, Dirk Hartung, Janis Beckedorf, Michael Bommarito

arxiv:2101.11284 v2 · 2021-01-27 · cs.SI · cs.CY · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMJNPZOHBGEOZ2B72J4LVRINC5}

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	2026-07-05T02:44:17.487141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4312d7e5c70988ece83fd278bac50d1763717f0492ad255d0e013348ec71119f

Aliases

arxiv: 2101.11284 · arxiv_version: 2101.11284v2 · doi: 10.48550/arxiv.2101.11284 · pith_short_12: IMJNPZOHBGEO · pith_short_16: IMJNPZOHBGEOZ2B7 · pith_short_8: IMJNPZOH

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/IMJNPZOHBGEOZ2B72J4LVRINC5 \
  | 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: 4312d7e5c70988ece83fd278bac50d1763717f0492ad255d0e013348ec71119f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a3f458601c80595bfc6dd6096fb3897f1e4e00568065aba12ea7f9baca93ecd",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-01-27T09:38:56Z",
    "title_canon_sha256": "262f22763e0395226dde321049ed367506ff13fc89f29028d9b92179799e767e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11284",
    "kind": "arxiv",
    "version": 2
  }
}