Pith Number

pith:2EX3ZNJE

pith:2017:2EX3ZNJELL3U3AE4ZLZNY6AJT4

not attested not anchored not stored refs pending

Emptiness Problems for Distributed Automata

Antti Kuusisto, Fabian Reiter

arxiv:1705.02609 v2 · 2017-05-07 · cs.FL · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2EX3ZNJELL3U3AE4ZLZNY6AJT4}

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	2026-05-18T00:35:51.298580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d12fbcb5245af74d809ccaf2dc78099f0f10c5970598de229cdb7201cb289d6c

Aliases

arxiv: 1705.02609 · arxiv_version: 1705.02609v2 · doi: 10.48550/arxiv.1705.02609 · pith_short_12: 2EX3ZNJELL3U · pith_short_16: 2EX3ZNJELL3U3AE4 · pith_short_8: 2EX3ZNJE

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/2EX3ZNJELL3U3AE4ZLZNY6AJT4 \
  | 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: d12fbcb5245af74d809ccaf2dc78099f0f10c5970598de229cdb7201cb289d6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "088802572abf10536aeb074e257955bfaa6f9cd0d8ebf0f00b456172003d7b03",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-05-07T12:45:27Z",
    "title_canon_sha256": "e070fba8e7133acca16d640c3f42d837722f39c35dc57a95344ea5a7763e7ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02609",
    "kind": "arxiv",
    "version": 2
  }
}