Pith Number

pith:BMFYNPXC

pith:2017:BMFYNPXCJFKF44NT5MTT34BHQD

not attested not anchored not stored refs pending

State Complexity of Reversals of Deterministic Finite Automata with Output

Sylvie Davies

arxiv:1705.07150 v2 · 2017-05-19 · 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{BMFYNPXCJFKF44NT5MTT34BHQD}

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	2026-05-18T00:32:36.216405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b0b86bee249545e71b3eb273df02780c2d54d71ad9bb4789c2a80fc4d9d4790

Aliases

arxiv: 1705.07150 · arxiv_version: 1705.07150v2 · doi: 10.48550/arxiv.1705.07150 · pith_short_12: BMFYNPXCJFKF · pith_short_16: BMFYNPXCJFKF44NT · pith_short_8: BMFYNPXC

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/BMFYNPXCJFKF44NT5MTT34BHQD \
  | 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: 0b0b86bee249545e71b3eb273df02780c2d54d71ad9bb4789c2a80fc4d9d4790

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ba22e6ef7ecc328c37f0145e718a7d05e18a9d5c61bc3f8f0c2fdad9eabfb17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-05-19T19:10:25Z",
    "title_canon_sha256": "ef391d6d4cb12d4e3b691e15d2e679de6e3f7ab006edaa2a8c913fac801b0812"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07150",
    "kind": "arxiv",
    "version": 2
  }
}