Pith Number

pith:HP4CMTHM

pith:2026:HP4CMTHMO3BWYTZXLAOJQRZEBL

not attested not anchored not stored refs pending

The Rate-Distortion-Polysemanticity Tradeoff in SAEs

Francesco Locatello, Francesco Montagna, Tommaso Mencattini

arxiv:2605.14694 v1 · 2026-05-14 · 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{HP4CMTHMO3BWYTZXLAOJQRZEBL}

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	2026-05-17T23:38:59.400248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf8264cec76c36c4f37581c9847240ae7f23d89dcd2f586822ebd621df07da4

Aliases

arxiv: 2605.14694 · arxiv_version: 2605.14694v1 · doi: 10.48550/arxiv.2605.14694 · pith_short_12: HP4CMTHMO3BW · pith_short_16: HP4CMTHMO3BWYTZX · pith_short_8: HP4CMTHM

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/HP4CMTHMO3BWYTZXLAOJQRZEBL \
  | 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: 3bf8264cec76c36c4f37581c9847240ae7f23d89dcd2f586822ebd621df07da4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f3dda01c8a53ecfab348dcc7fb72b4ebd5a5c606354f4fe882e11a581ff40e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-14T11:10:52Z",
    "title_canon_sha256": "75c36f7724a13b3d6b1b6d2f43ac27e2bf2237ed456aa5617d9de04e5cd9f9e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.14694",
    "kind": "arxiv",
    "version": 1
  }
}