Pith Number

pith:GXUP3NYO

pith:2016:GXUP3NYOG5VKF66IFV5WGMF26T

not attested not anchored not stored refs pending

Minimal and Reduced Reversible Automata

Giovanna J. Lavado, Giovanni Pighizzini, Luca Prigioniero

arxiv:1611.06840 v1 · 2016-11-21 · 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{GXUP3NYOG5VKF66IFV5WGMF26T}

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	2026-05-18T00:57:32.746730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35e8fdb70e376aa2fbc82d7b6330baf4fc546082ee7b5c525dcc84131764dc60

Aliases

arxiv: 1611.06840 · arxiv_version: 1611.06840v1 · doi: 10.48550/arxiv.1611.06840 · pith_short_12: GXUP3NYOG5VK · pith_short_16: GXUP3NYOG5VKF66I · pith_short_8: GXUP3NYO

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/GXUP3NYOG5VKF66IFV5WGMF26T \
  | 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: 35e8fdb70e376aa2fbc82d7b6330baf4fc546082ee7b5c525dcc84131764dc60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fafb854020d1ff321840ec6cb017ccf9d696a573f6631d0fea3df520a2aa6201",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-11-21T15:38:32Z",
    "title_canon_sha256": "1a43f569f73deafdb4e04b94aa009b34aade3a8ee356ffecc6b43d43eb4c9bcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06840",
    "kind": "arxiv",
    "version": 1
  }
}