Pith Number

pith:NRX72TCJ

pith:2026:NRX72TCJGNXARXWNTZT4XCXWM7

not attested not anchored not stored refs pending

Rational Sparse Autoencoder

Naiyu Yin, Yue Yu

arxiv:2606.14990 v2 · 2026-06-12 · 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{NRX72TCJGNXARXWNTZT4XCXWM7}

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	2026-06-19T16:10:01.067570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c6ffd4c49336e08decd9e67cb8af667e5c90fc41c62f5085bf784e3ca4c410a

Aliases

arxiv: 2606.14990 · arxiv_version: 2606.14990v2 · doi: 10.48550/arxiv.2606.14990 · pith_short_12: NRX72TCJGNXA · pith_short_16: NRX72TCJGNXARXWN · pith_short_8: NRX72TCJ

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/NRX72TCJGNXARXWNTZT4XCXWM7 \
  | 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: 6c6ffd4c49336e08decd9e67cb8af667e5c90fc41c62f5085bf784e3ca4c410a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a645355246cab87551e03bc365fdbf282614c11072579e87a93d35e740c08a9",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-12T22:22:40Z",
    "title_canon_sha256": "baf3299c6fe83ec8b01470b77b0154cd830ae5605159fb47c025d5abc73bc383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.14990",
    "kind": "arxiv",
    "version": 2
  }
}