Pith Number

pith:AFJ7JZKS

pith:2025:AFJ7JZKSECR6XOZQE4RMYOVH7W

not attested not anchored not stored refs pending

From superposition to sparse codes: interpretable representations in neural networks

Charles O'Neill, David Klindt, Harald Maurer, Nina Miolane, Patrik Reizinger

arxiv:2503.01824 v1 · 2025-03-03 · 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{AFJ7JZKSECR6XOZQE4RMYOVH7W}

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.

Cited by

5 papers in Pith

Structuring Sparsity: Block-Sparse Featurizers Capture Visual Concept Manifolds

Expander Sparse Autoencoders: Parameter-Efficient Dictionaries for Mechanistic Interpretability

When Does LeJEPA Learn a World Model?

Probing for Representation Manifolds in Superposition

Receipt and verification

First computed	2026-07-05T10:23:16.182509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0153f4e55220a3ebbb302722cc3aa7fd9fa260ae010656ead1266ad272a81180

Aliases

arxiv: 2503.01824 · arxiv_version: 2503.01824v1 · doi: 10.48550/arxiv.2503.01824 · pith_short_12: AFJ7JZKSECR6 · pith_short_16: AFJ7JZKSECR6XOZQ · pith_short_8: AFJ7JZKS

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/AFJ7JZKSECR6XOZQE4RMYOVH7W \
  | 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: 0153f4e55220a3ebbb302722cc3aa7fd9fa260ae010656ead1266ad272a81180

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dbe3f100bcdd41b746a48d1edfde21c37bc85c1f3f8a3c648ed6f8cd8bddf73",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-03-03T18:49:59Z",
    "title_canon_sha256": "1873c68ce9342c3d2cab611880f1c80b0045b30d89310352d6af637a2f380dbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.01824",
    "kind": "arxiv",
    "version": 1
  }
}