Pith Number

pith:PQ3OTHZX

pith:2025:PQ3OTHZXL7KQW6UYDVORBVHYB7

not attested not anchored not stored refs pending

Position: AI Scaling: From Up to Down and Out

Chang Xu, Yanxi Li, Yunke Wang

arxiv:2502.01677 v2 · 2025-02-02 · cs.LG · 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{PQ3OTHZXL7KQW6UYDVORBVHYB7}

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	2026-07-05T11:02:17.850717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c36e99f375fd50b7a981d5d10d4f80ffc4bf1a46ddb70284bfcf326c15926f8

Aliases

arxiv: 2502.01677 · arxiv_version: 2502.01677v2 · doi: 10.48550/arxiv.2502.01677 · pith_short_12: PQ3OTHZXL7KQ · pith_short_16: PQ3OTHZXL7KQW6UY · pith_short_8: PQ3OTHZX

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/PQ3OTHZXL7KQW6UYDVORBVHYB7 \
  | 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: 7c36e99f375fd50b7a981d5d10d4f80ffc4bf1a46ddb70284bfcf326c15926f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a5a59d7c7d6fd5d790a5e9b90dca0dec20c462d7eae4fccc20079df4b69786d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-02T02:14:00Z",
    "title_canon_sha256": "2fcd435ab4fcf8940059c1c3efae9285647e5130f865f539db31c04ebf4c8df3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01677",
    "kind": "arxiv",
    "version": 2
  }
}