Pith Number

pith:5E6XFIIJ

pith:2026:5E6XFIIJCOX6L6PGS4XMP7UWSZ

not attested not anchored not stored refs pending

Context-Free Recognition with Transformers

Anej Svete, Ryan Cotterell, Selim Jerad, Sophie Hao, William Merrill

arxiv:2601.01754 v3 · 2026-01-05 · cs.LG · cs.CC · cs.CL · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5E6XFIIJCOX6L6PGS4XMP7UWSZ}

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

Bridging the Gap Between Latent and Explicit Reasoning with Looped Transformers

Receipt and verification

First computed	2026-06-01T01:02:28.659679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e93d72a10913afe5f9e6972ec7fe9696592c603cf1c83e66a156fac870696ff3

Aliases

arxiv: 2601.01754 · arxiv_version: 2601.01754v3 · doi: 10.48550/arxiv.2601.01754 · pith_short_12: 5E6XFIIJCOX6 · pith_short_16: 5E6XFIIJCOX6L6PG · pith_short_8: 5E6XFIIJ

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/5E6XFIIJCOX6L6PGS4XMP7UWSZ \
  | 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: e93d72a10913afe5f9e6972ec7fe9696592c603cf1c83e66a156fac870696ff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1484aae81a61df2aa13a6caf1b585de6e327289917a5c76084f9298021e7babe",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CL",
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-05T03:14:23Z",
    "title_canon_sha256": "53dab27aef552dc96145e98bc4647f51f6ce99718bf58523b0dc105c4c461297"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.01754",
    "kind": "arxiv",
    "version": 3
  }
}