Pith Number

pith:FKP6CGJE

pith:2018:FKP6CGJEWRMLCH4TJLDDSTTHB6

not attested not anchored not stored refs pending

Context-Free Transductions with Neural Stacks

Andrew Benz, Dana Angluin, Noah Amsel, Robert Frank, Simon Mendelsohn, William Merrill, Yiding Hao

arxiv:1809.02836 v1 · 2018-09-08 · cs.NE · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKP6CGJEWRMLCH4TJLDDSTTHB6}

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	2026-05-18T00:06:15.151124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a9fe11924b458b11f934ac6394e670fa490ac7e6c0969463cdc1b76f79fb9a9

Aliases

arxiv: 1809.02836 · arxiv_version: 1809.02836v1 · doi: 10.48550/arxiv.1809.02836 · pith_short_12: FKP6CGJEWRML · pith_short_16: FKP6CGJEWRMLCH4T · pith_short_8: FKP6CGJE

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/FKP6CGJEWRMLCH4TJLDDSTTHB6 \
  | 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: 2a9fe11924b458b11f934ac6394e670fa490ac7e6c0969463cdc1b76f79fb9a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb0b4a340a23eb80e89d06f64872cacc4ee3f4421b10e76adc9269a0fe41e937",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-09-08T17:04:53Z",
    "title_canon_sha256": "c395ea0305612645fefc744a3e38d626b379c29e66048375357a103929cb825e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02836",
    "kind": "arxiv",
    "version": 1
  }
}