Pith Number

pith:XFRG7J4U

pith:2023:XFRG7J4U3K3CXFJRUIN4I3UWL2

not attested not anchored not stored refs pending

Masked Hard-Attention Transformers Recognize Exactly the Star-Free Languages

Andy Yang, Dana Angluin, David Chiang

arxiv:2310.13897 v4 · 2023-10-21 · cs.FL · cs.LG · 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{XFRG7J4U3K3CXFJRUIN4I3UWL2}

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.

Cited by

1 paper in Pith

Ehrenfeucht-Haussler Rank and Chain of Thought

Receipt and verification

First computed	2026-07-05T09:28:09.686832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9626fa794dab62b9531a21bc46e965e8ac70c96c3925e478a700333c8d55bcd

Aliases

arxiv: 2310.13897 · arxiv_version: 2310.13897v4 · doi: 10.48550/arxiv.2310.13897 · pith_short_12: XFRG7J4U3K3C · pith_short_16: XFRG7J4U3K3CXFJR · pith_short_8: XFRG7J4U

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/XFRG7J4U3K3CXFJRUIN4I3UWL2 \
  | 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: b9626fa794dab62b9531a21bc46e965e8ac70c96c3925e478a700333c8d55bcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ae2f91a43ec8d2ce6c6e26144560daab123b810465d6916522f603e8282e782",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2023-10-21T03:26:39Z",
    "title_canon_sha256": "fa1500149c4c8d648e215792865a7de3cacb870519f38e664e29ee1dbdc13597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.13897",
    "kind": "arxiv",
    "version": 4
  }
}