Pith Number

pith:L3XQW5FG

pith:2021:L3XQW5FGVHGI52XLI23PIPBZYE

not attested not anchored not stored refs pending

Synchronization of strongly connected partial DFAs and prefix codes

Andrew Ryzhikov, Marek Szyku{\l}a, Mikhail V. Berlinkov, Robert Ferens

arxiv:2101.05057 v3 · 2021-01-13 · cs.FL · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3XQW5FGVHGI52XLI23PIPBZYE}

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	2026-05-27T01:05:31.492939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eef0b74a6a9cc8eeaeb46b6f43c39c1121dbc0fed1e9cacdbd7d8491cf1f3c9

Aliases

arxiv: 2101.05057 · arxiv_version: 2101.05057v3 · doi: 10.48550/arxiv.2101.05057 · pith_short_12: L3XQW5FGVHGI · pith_short_16: L3XQW5FGVHGI52XL · pith_short_8: L3XQW5FG

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/L3XQW5FGVHGI52XLI23PIPBZYE \
  | 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: 5eef0b74a6a9cc8eeaeb46b6f43c39c1121dbc0fed1e9cacdbd7d8491cf1f3c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb4662b08c978c7679337c7f5794521090615efed50ac1f1c585d6f585cbd7e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2021-01-13T13:43:54Z",
    "title_canon_sha256": "af3e0d4cd06649e760d0412a5a287b33a96cb0ba7bd4da1f9b714e6470f213d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.05057",
    "kind": "arxiv",
    "version": 3
  }
}