Pith Number

pith:7ISGGDM6

pith:2025:7ISGGDM6EYMXEBYAQQIGB4XEK4

not attested not anchored not stored refs pending

Physics of Language Models: Part 4.1, Architecture Design and the Magic of Canon Layers

Zeyuan Allen-Zhu

arxiv:2512.17351 v2 · 2025-12-19 · 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{7ISGGDM6EYMXEBYAQQIGB4XEK4}

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

10 papers in Pith

The Key to Going Linear: Analysis-Driven Transformer Linearization

Lifelong In-Context Learning with Transformers Requires Parametric Forms of Attention

ATMA: Length-Invariant Language Modeling via Polar Attention and Gated-Delta Compression Memory

Dynamic Short Convolutions Improve Transformers

Receipt and verification

First computed	2026-07-29T01:25:32.349463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa24630d9e2619720700841060f2e4571b197ce376421755a166146eb863bf27

Aliases

arxiv: 2512.17351 · arxiv_version: 2512.17351v2 · doi: 10.48550/arxiv.2512.17351 · pith_short_12: 7ISGGDM6EYMX · pith_short_16: 7ISGGDM6EYMXEBYA · pith_short_8: 7ISGGDM6

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/7ISGGDM6EYMXEBYAQQIGB4XEK4 \
  | 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: fa24630d9e2619720700841060f2e4571b197ce376421755a166146eb863bf27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d557b8b55a8c5783e4bf269e1877ef4c3c50a14d4e91915434060670de8eaa2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-12-19T08:47:28Z",
    "title_canon_sha256": "9461a6669c50d9f6fd3f84238c636535ba940c895665d87e9413376d0cdb8f76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.17351",
    "kind": "arxiv",
    "version": 2
  }
}