Pith Number

pith:3T54F5WU

pith:2017:3T54F5WUMAA5C7YAAEXWMXTUR7

not attested not anchored not stored refs pending

Regular Separability of Well Structured Transition Systems

K Narayan Kumar, Prakash Saivasan, Roland Meyer, Sebastian Muskalla, S{\l}awomir Lasota, Wojciech Czerwi\'nski

arxiv:1702.05334 v4 · 2017-02-17 · 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{3T54F5WUMAA5C7YAAEXWMXTUR7}

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	2026-05-18T00:11:28.296013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcfbc2f6d46001d17f00012f665e748fdc3f81f3b524c002809a7a28d061226b

Aliases

arxiv: 1702.05334 · arxiv_version: 1702.05334v4 · doi: 10.48550/arxiv.1702.05334 · pith_short_12: 3T54F5WUMAA5 · pith_short_16: 3T54F5WUMAA5C7YA · pith_short_8: 3T54F5WU

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/3T54F5WUMAA5C7YAAEXWMXTUR7 \
  | 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: dcfbc2f6d46001d17f00012f665e748fdc3f81f3b524c002809a7a28d061226b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "402e08bd1a7d246cdf7453487bd44bf950668b3c7e1a97875f8f0b3793c3b904",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-02-17T13:21:45Z",
    "title_canon_sha256": "bd18eb48a664fe06244a4e1fc026a36653e3d778b8c5cb1027928f803e0fbb68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05334",
    "kind": "arxiv",
    "version": 4
  }
}