Pith Number

pith:U37B2QMT

pith:2021:U37B2QMTD3DCEQGZTBLI5CMY3Y

not attested not anchored not stored refs pending

Formal Language Theory Meets Modern NLP

William Merrill

arxiv:2102.10094 v3 · 2021-02-19 · 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{U37B2QMTD3DCEQGZTBLI5CMY3Y}

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

Never Reset Again: A Mathematical Framework for Continual Inference in Recurrent Neural Networks

Receipt and verification

First computed	2026-07-05T03:00:50.551123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6fe1d41931ec62240d998568e8998de1aaf90f4d0133544cc0566e6207ae527

Aliases

arxiv: 2102.10094 · arxiv_version: 2102.10094v3 · doi: 10.48550/arxiv.2102.10094 · pith_short_12: U37B2QMTD3DC · pith_short_16: U37B2QMTD3DCEQGZ · pith_short_8: U37B2QMT

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/U37B2QMTD3DCEQGZTBLI5CMY3Y \
  | 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: a6fe1d41931ec62240d998568e8998de1aaf90f4d0133544cc0566e6207ae527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f35c7243d80afc437b887eb8fc55f8f4513a0b60dff029941baea5cb24e07c1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-19T18:51:10Z",
    "title_canon_sha256": "629b2473b5b897c06d0ebba747de7f62be23dbb7fa82dbdd33a95b1d8802c8f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10094",
    "kind": "arxiv",
    "version": 3
  }
}