Pith Number

pith:7HTD4KRT

pith:2016:7HTD4KRTXECIRCNVJWBV5KQPSH

not attested not anchored not stored refs pending

Symmetry Breaking Predicates for SAT-based DFA Identification

Anatoly Shalyto, Ilya Zakirzyanov, Vladimir Ulyantsev

arxiv:1602.05028 v2 · 2016-02-16 · cs.FL · cs.AI · 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{7HTD4KRTXECIRCNVJWBV5KQPSH}

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	2026-05-18T01:20:18.642486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e63e2a33b9048889b54d835eaa0f91ff47a8254d35f305de31e8061ad76fbe

Aliases

arxiv: 1602.05028 · arxiv_version: 1602.05028v2 · doi: 10.48550/arxiv.1602.05028 · pith_short_12: 7HTD4KRTXECI · pith_short_16: 7HTD4KRTXECIRCNV · pith_short_8: 7HTD4KRT

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/7HTD4KRTXECIRCNVJWBV5KQPSH \
  | 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: f9e63e2a33b9048889b54d835eaa0f91ff47a8254d35f305de31e8061ad76fbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e0eefbcb2254d75bcd9b4c4a4a35b55c53b436e64e741c7e466f5a999cd6715",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-02-16T14:26:24Z",
    "title_canon_sha256": "9fac024080548519c609faf31efbf232280ff61ef145702a2da67f642536dca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05028",
    "kind": "arxiv",
    "version": 2
  }
}