Pith Number

pith:FIMBJ34A

pith:2026:FIMBJ34AOQJT2RP6S2G6OEAIIL

not attested not anchored not stored refs pending

Matryoshka Concept Bottleneck Models

Hongbin Lin, Jie Li, Lijie Hu, Xinyue Xu, Ziye Chen

arxiv:2605.20612 v1 · 2026-05-20 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIMBJ34AOQJT2RP6S2G6OEAIIL}

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	2026-05-21T01:04:44.547094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a1814ef8074133d45fe968de7100842dfcc6a2a39ff81a871c6ae3f228ce8ad

Aliases

arxiv: 2605.20612 · arxiv_version: 2605.20612v1 · doi: 10.48550/arxiv.2605.20612 · pith_short_12: FIMBJ34AOQJT · pith_short_16: FIMBJ34AOQJT2RP6 · pith_short_8: FIMBJ34A

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/FIMBJ34AOQJT2RP6S2G6OEAIIL \
  | 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: 2a1814ef8074133d45fe968de7100842dfcc6a2a39ff81a871c6ae3f228ce8ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb2f4b657db4c3ff1c7caec6b0e80cee1512a365a1170708c589e67d81218125",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-20T01:59:06Z",
    "title_canon_sha256": "dca83202d704810d2d08314002ed1f2af5f26372327ecd700f0258e018552963"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20612",
    "kind": "arxiv",
    "version": 1
  }
}