Pith Number

pith:2GESBBH4

pith:2026:2GESBBH4EFV5ANYQJGGOPPR233

not attested not anchored not stored refs pending

From Isolated Tasks to Structured Capabilities: A Multilayer Taxonomy for Large Language Models

Jiachen Wo, Shixin Fang, Sihang Jiang, Wenjuan Qin, Yanghua Xiao (Fudan University)

arxiv:2607.22182 v1 · 2026-07-24 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GESBBH4EFV5ANYQJGGOPPR233}

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	2026-07-27T01:20:52.517037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1892084fc216bd03710498ce7be3adee6e4b3751ee905078223948394bb93f8

Aliases

arxiv: 2607.22182 · arxiv_version: 2607.22182v1 · doi: 10.48550/arxiv.2607.22182 · pith_short_12: 2GESBBH4EFV5 · pith_short_16: 2GESBBH4EFV5ANYQ · pith_short_8: 2GESBBH4

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/2GESBBH4EFV5ANYQJGGOPPR233 \
  | 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: d1892084fc216bd03710498ce7be3adee6e4b3751ee905078223948394bb93f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e62449d5dde83df6cfc63deb1c957f596cfc39d002346e047fa1bf2813cec0d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-24T10:49:50Z",
    "title_canon_sha256": "eb13f93ad8e2cec18464566756b1921c982d19c6a637c8bc5020bf70eceb30dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22182",
    "kind": "arxiv",
    "version": 1
  }
}