Pith Number

pith:UTR4GNST

pith:2017:UTR4GNSTTWICLRJ3DME3QX6XCI

not attested not anchored not stored refs pending

Minimization of Visibly Pushdown Automata Using Partial Max-SAT

Christian Schilling, Daniel Tischner, Matthias Heizmann

arxiv:1701.05160 v2 · 2017-01-18 · 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{UTR4GNSTTWICLRJ3DME3QX6XCI}

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	2026-05-18T00:46:13.128527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4e3c336539d9025c53b1b09b85fd71231fcd805c64d885027d1a1161accc979

Aliases

arxiv: 1701.05160 · arxiv_version: 1701.05160v2 · doi: 10.48550/arxiv.1701.05160 · pith_short_12: UTR4GNSTTWIC · pith_short_16: UTR4GNSTTWICLRJ3 · pith_short_8: UTR4GNST

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/UTR4GNSTTWICLRJ3DME3QX6XCI \
  | 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: a4e3c336539d9025c53b1b09b85fd71231fcd805c64d885027d1a1161accc979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "775fceff7407ab941723c646f776fe46abe0dc5c8f4be168dfd3f28d861b1f4b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-01-18T17:37:52Z",
    "title_canon_sha256": "625a190a9c764e86a805cee20fe7664d8ba3e5d6f255a5da8fd65e578016f45a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05160",
    "kind": "arxiv",
    "version": 2
  }
}