Pith Number

pith:OE4PMPMD

pith:2019:OE4PMPMDGKURLED24D6H2S6GI4

not attested not anchored not stored refs pending

Computational Limitations of Affine Automata

Abuzer Yakary{\i}lmaz, Etienne Moutot, Mika Hirvensalo

arxiv:1904.02428 v1 · 2019-04-04 · 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{OE4PMPMDGKURLED24D6H2S6GI4}

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	2026-05-17T23:49:23.701994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7138f63d8332a915907ae0fc7d4bc647274b84cbc1902ed01ec2ddb7650ae233

Aliases

arxiv: 1904.02428 · arxiv_version: 1904.02428v1 · doi: 10.48550/arxiv.1904.02428 · pith_short_12: OE4PMPMDGKUR · pith_short_16: OE4PMPMDGKURLED2 · pith_short_8: OE4PMPMD

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/OE4PMPMDGKURLED24D6H2S6GI4 \
  | 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: 7138f63d8332a915907ae0fc7d4bc647274b84cbc1902ed01ec2ddb7650ae233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d34f06016fc0a4a23ca32311826844df590e399031de554c8e5e1e33b27d5ded",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-04-04T09:33:41Z",
    "title_canon_sha256": "9600e9aca4831645f953ec555bd92aae867a051434d78ff10b3b45d85f7236db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02428",
    "kind": "arxiv",
    "version": 1
  }
}