Pith Number

pith:PZEPOH6S

pith:2021:PZEPOH6SFPICMXPSYI424K7XPT

not attested not anchored not stored refs pending

Simplify Your Law: Using Information Theory to Deduplicate Legal Documents

Corinna Coupette, Holger Spamann, Jyotsna Singh

arxiv:2110.00735 v1 · 2021-10-02 · cs.CL · cs.CY · cs.IT · cs.SE · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZEPOH6SFPICMXPSYI424K7XPT}

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	2026-07-05T04:21:06.184270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e48f71fd22bd0265df2c239ae2bf77ce9cbc53feb07aae6f215b3d3855fe101

Aliases

arxiv: 2110.00735 · arxiv_version: 2110.00735v1 · doi: 10.48550/arxiv.2110.00735 · pith_short_12: PZEPOH6SFPIC · pith_short_16: PZEPOH6SFPICMXPS · pith_short_8: PZEPOH6S

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/PZEPOH6SFPICMXPSYI424K7XPT \
  | 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: 7e48f71fd22bd0265df2c239ae2bf77ce9cbc53feb07aae6f215b3d3855fe101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f866a38a347f4f17249bd66645063c6f81c2bcc5bcda20d076f993e3826f376",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.IT",
      "cs.SE",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-10-02T06:19:14Z",
    "title_canon_sha256": "21eb2d627528cb1e95fbdbf9acf286f6e7d1d47858fad2eca30745a4f7e4280c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.00735",
    "kind": "arxiv",
    "version": 1
  }
}