Pith Number

pith:MKDXAYM7

pith:2016:MKDXAYM7I3G4AYSUPNMH2EARKZ

not attested not anchored not stored refs pending

Data optimizations for constraint automata

Farhad Arbab (Centrum Wiskunde, Informatica, Leiden University), Radboud University Nijmegen), Sung-Shik T.Q. Jongmans (Open University of the Netherlands

arxiv:1608.04592 v2 · 2016-08-16 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MKDXAYM7I3G4AYSUPNMH2EARKZ}

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	2026-05-17T23:51:21.921773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

628770619f46cdc062547b587d1011566a78f10623ac2caa8d4799321278fed0

Aliases

arxiv: 1608.04592 · arxiv_version: 1608.04592v2 · doi: 10.48550/arxiv.1608.04592 · pith_short_12: MKDXAYM7I3G4 · pith_short_16: MKDXAYM7I3G4AYSU · pith_short_8: MKDXAYM7

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/MKDXAYM7I3G4AYSUPNMH2EARKZ \
  | 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: 628770619f46cdc062547b587d1011566a78f10623ac2caa8d4799321278fed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d21cf7d40ac74294073cefb155533c81bca1daea0203e361591bc4b343b7196",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-08-16T13:45:53Z",
    "title_canon_sha256": "0ca053aa8b245b0742eafa402be3e83c1500562f3a0438ce5667c9b01409741e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04592",
    "kind": "arxiv",
    "version": 2
  }
}