Pith Number

pith:WCTPKLEP

pith:2026:WCTPKLEPVYO2EKNPE2U57Y7T7T

not attested not anchored not stored refs pending

Semantic Optimal Transport for Sparse Autoencoder Feature Matching and Circuit Compression

My T. Thai, Nguyen Do, Tue M. Cao

arxiv:2605.28567 v1 · 2026-05-27 · 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{WCTPKLEPVYO2EKNPE2U57Y7T7T}

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	2026-05-28T02:04:56.587026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0a6f52c8fae1da229af26a9dfe3f3fce01b323038dbc7f7f474dff65c60d716

Aliases

arxiv: 2605.28567 · arxiv_version: 2605.28567v1 · doi: 10.48550/arxiv.2605.28567 · pith_short_12: WCTPKLEPVYO2 · pith_short_16: WCTPKLEPVYO2EKNP · pith_short_8: WCTPKLEP

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/WCTPKLEPVYO2EKNPE2U57Y7T7T \
  | 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: b0a6f52c8fae1da229af26a9dfe3f3fce01b323038dbc7f7f474dff65c60d716

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4819410bd4129b183ad0100412882565bfeb8fdfe081e39749f1712376bf1212",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-27T14:54:58Z",
    "title_canon_sha256": "2e17122db56ddbf6224db644a95f5fcb8a7d4f42aae8ae7fd6c3e1a22c3cd08d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28567",
    "kind": "arxiv",
    "version": 1
  }
}