Pith Number

pith:CWY64BLU

pith:2019:CWY64BLUZMASWO4XSWKH5OA7BO

not attested not anchored not stored refs pending

Non-deterministic weighted automata evaluated over Markov chains

Jakub Michaliszyn, Jan Otop

arxiv:1908.04625 v2 · 2019-08-13 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWY64BLUZMASWO4XSWKH5OA7BO}

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	2026-07-05T00:16:05.207850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15b1ee0574cb012b3b9795947eb81f0b982138fff3d886cded718ab2835aa86e

Aliases

arxiv: 1908.04625 · arxiv_version: 1908.04625v2 · doi: 10.48550/arxiv.1908.04625 · pith_short_12: CWY64BLUZMAS · pith_short_16: CWY64BLUZMASWO4X · pith_short_8: CWY64BLU

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/CWY64BLUZMASWO4XSWKH5OA7BO \
  | 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: 15b1ee0574cb012b3b9795947eb81f0b982138fff3d886cded718ab2835aa86e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8affe2d22e7201421894af589672ed27a3c8f78bc7cc86b9c43a78b3629d225c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-08-13T13:14:56Z",
    "title_canon_sha256": "de592fe15cbe3cdb1105631d0229fe03825e336c9f31903adb188d56de92eeaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04625",
    "kind": "arxiv",
    "version": 2
  }
}