Pith Number

pith:GDPLLAWS

pith:2018:GDPLLAWSZYOFN3A2H3XJC6WOIG

not attested not anchored not stored refs pending

Confluence of CHR revisited: invariants and modulo equivalence

Henning Christiansen, Maja H. Kirkeby

arxiv:1805.10438 v3 · 2018-05-26 · cs.PL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GDPLLAWSZYOFN3A2H3XJC6WOIG}

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	2026-05-18T00:04:23.096376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30deb582d2ce1c56ec1a3eee917ace419a80b9e7cf77f54e4c595953f422446f

Aliases

arxiv: 1805.10438 · arxiv_version: 1805.10438v3 · doi: 10.48550/arxiv.1805.10438 · pith_short_12: GDPLLAWSZYOF · pith_short_16: GDPLLAWSZYOFN3A2 · pith_short_8: GDPLLAWS

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/GDPLLAWSZYOFN3A2H3XJC6WOIG \
  | 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: 30deb582d2ce1c56ec1a3eee917ace419a80b9e7cf77f54e4c595953f422446f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "343b6ce98019caa2c15ec02a12b3c74856e8dc6e78f02c685a5ea924e946c852",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-05-26T07:15:12Z",
    "title_canon_sha256": "d375b34dca08b06cfd713353024f3e084ce5021e3772bfacbf681eaa1b5214ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10438",
    "kind": "arxiv",
    "version": 3
  }
}