Pith Number

pith:MZV4EM5R

pith:2025:MZV4EM5RVEHKSGPEZ6RPCM4MTW

not attested not anchored not stored refs pending

A Complexity Dichotomy for Semilinear Target Sets in Automata with One Counter

Georg Zetzsche, Henry Sinclair-Banks, Yousef Shakiba

arxiv:2505.13749 v1 · 2025-05-19 · cs.FL · cs.CC · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZV4EM5RVEHKSGPEZ6RPCM4MTW}

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.

Cited by

1 paper in Pith

On the complexity of computing Strahler numbers

Receipt and verification

First computed	2026-07-05T11:05:50.568460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

666bc233b1a90ea919e4cfa2f1338c9da5dda95fa15e46e0e4ad2e866fcdfa30

Aliases

arxiv: 2505.13749 · arxiv_version: 2505.13749v1 · doi: 10.48550/arxiv.2505.13749 · pith_short_12: MZV4EM5RVEHK · pith_short_16: MZV4EM5RVEHKSGPE · pith_short_8: MZV4EM5R

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/MZV4EM5RVEHKSGPEZ6RPCM4MTW \
  | 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: 666bc233b1a90ea919e4cfa2f1338c9da5dda95fa15e46e0e4ad2e866fcdfa30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86f4d8a509fdc0a65a7a43f7ae128f39d8a33bab3188872bec89c5ee6fba25ae",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2025-05-19T21:52:56Z",
    "title_canon_sha256": "b6beb02dfbab1ad8fd960897dbaf8b301b3879596a22394c51b016a1e9507e08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13749",
    "kind": "arxiv",
    "version": 1
  }
}