Pith Number

pith:XEJTL7PS

pith:2026:XEJTL7PS7HAMLPCWFVOH64337F

not attested not anchored not stored refs pending

Understanding Is Done Early: A Depth Division of Labor in Large Language Models and Its Use for Unbounded-Context Memory

Alex Lamb, Chunyu Liu, Hanzuo Liu, Haotian Zhong, Key, Mingyu Gao, Rayying, Xuan Qi, Yulong Wang

arxiv:2607.28263 v1 · 2026-07-30 · 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{XEJTL7PS7HAMLPCWFVOH64337F}

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	2026-07-31T01:36:58.757369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

b91335fdf2f9c0c5bc562d5c7f737bf95aa0b7d48e217b42cf2cc7433ae09b19

Aliases

arxiv: 2607.28263 · arxiv_version: 2607.28263v1 · doi: 10.48550/arxiv.2607.28263 · pith_short_12: XEJTL7PS7HAM · pith_short_16: XEJTL7PS7HAMLPCW · pith_short_8: XEJTL7PS

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/XEJTL7PS7HAMLPCWFVOH64337F \
  | 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: b91335fdf2f9c0c5bc562d5c7f737bf95aa0b7d48e217b42cf2cc7433ae09b19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0fcdc668a7a25ba41e429a007870da057fbad169e8e6cdcb7671d9dc7bbefde",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-30T14:19:11Z",
    "title_canon_sha256": "7a08d6ffcb4da2f21b6d08d118ecb91fb4c020a04a507ef3102189791067c65f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28263",
    "kind": "arxiv",
    "version": 1
  }
}