Pith Number

pith:Y2776MCD

pith:2016:Y2776MCDZZAXHBRDX4LJSZKIBK

not attested not anchored not stored refs pending

Unrestricted State Complexity of Binary Operations on Regular and Ideal Languages

Corwin Sinnamon, Janusz Brzozowski

arxiv:1609.04439 v3 · 2016-09-14 · 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{Y2776MCDZZAXHBRDX4LJSZKIBK}

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	2026-05-18T00:27:31.667370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6bfff3043ce41738623bf169965480a986efddc1f4a5156f7a03896bc7b4e42

Aliases

arxiv: 1609.04439 · arxiv_version: 1609.04439v3 · doi: 10.48550/arxiv.1609.04439 · pith_short_12: Y2776MCDZZAX · pith_short_16: Y2776MCDZZAXHBRD · pith_short_8: Y2776MCD

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/Y2776MCDZZAXHBRDX4LJSZKIBK \
  | 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: c6bfff3043ce41738623bf169965480a986efddc1f4a5156f7a03896bc7b4e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b05a9f90c79203e3f9ecb79f4146312244d70d5cd450d865f3f2dccaf01369",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-09-14T20:39:47Z",
    "title_canon_sha256": "ea2b54f0a87e397151d742035eaddb6c90cdd523c20501c1ab5c190c9ee155ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04439",
    "kind": "arxiv",
    "version": 3
  }
}