Pith Number

pith:7OM7PVBH

pith:2021:7OM7PVBHDTHTJYJHTANJL5ZGBC

not attested not anchored not stored refs pending

Integrating Regular Expressions with Neural Networks via DFA

Bingquan Liu, Chengjie Sun, Lifeng Shang, Qun Liu, Shaobo Li, Xin Jiang, Yichun Yin, Zhenzhou Ji

arxiv:2109.02882 v1 · 2021-09-07 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OM7PVBHDTHTJYJHTANJL5ZGBC}

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	2026-07-05T03:12:20.736351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb99f7d4271ccf34e127981a95f72608b0dd5ae0ed291b4b059f866c6070d69b

Aliases

arxiv: 2109.02882 · arxiv_version: 2109.02882v1 · doi: 10.48550/arxiv.2109.02882 · pith_short_12: 7OM7PVBHDTHT · pith_short_16: 7OM7PVBHDTHTJYJH · pith_short_8: 7OM7PVBH

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/7OM7PVBHDTHTJYJHTANJL5ZGBC \
  | 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: fb99f7d4271ccf34e127981a95f72608b0dd5ae0ed291b4b059f866c6070d69b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae39a4a48ce9b244d95583947603b81103057ebbddf7757235c9c719fe3eb93f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-07T05:48:51Z",
    "title_canon_sha256": "5d4b9157f60711dda15ac74fd5e0b19b3a528a54ea366958f30519135cac62d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.02882",
    "kind": "arxiv",
    "version": 1
  }
}