Pith Number

pith:AFCTMPFG

pith:2019:AFCTMPFGSNQDLUO54BZK3JKUAC

not attested not anchored not stored refs pending

An Effective Algorithm for Learning Single Occurrence Regular Expressions with Interleaving

Haiming Chen, Lingqi Zhang, Xiaolan Zhang, Yeting Li

arxiv:1906.02074 v1 · 2019-06-05 · cs.DB · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFCTMPFGSNQDLUO54BZK3JKUAC}

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	2026-05-17T23:44:05.313571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0145363ca6936035d1dde072ada554008ff9041afa072d07811b1d6f92a8545c

Aliases

arxiv: 1906.02074 · arxiv_version: 1906.02074v1 · doi: 10.48550/arxiv.1906.02074 · pith_short_12: AFCTMPFGSNQD · pith_short_16: AFCTMPFGSNQDLUO5 · pith_short_8: AFCTMPFG

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/AFCTMPFGSNQDLUO54BZK3JKUAC \
  | 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: 0145363ca6936035d1dde072ada554008ff9041afa072d07811b1d6f92a8545c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4061feead5f4e3187da0229491ac96f95f6b2ec1dd41395b7cca743a5e09784",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-06-05T15:32:22Z",
    "title_canon_sha256": "780a7f772cb3c8af2b5b4a21423f84bb6e469899ed144a959a30996756350b80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02074",
    "kind": "arxiv",
    "version": 1
  }
}