Pith Number

pith:HLILHVWJ

pith:2026:HLILHVWJBMUCVHUPTADFJQJPEJ

not attested not anchored not stored refs pending

Sparsity, Superposition, and Forgetting: A Mechanistic Study of Representation Retention in Continual Learning

Bartosz Krawczyk, Jan Wasilewski, J\k{e}drzej Kozal, Micha{\l} Wo\'zniak

arxiv:2606.20431 v1 · 2026-06-18 · 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{HLILHVWJBMUCVHUPTADFJQJPEJ}

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	2026-06-19T16:13:12.271806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ad0b3d6c90b282a9e8f980654c12f2276007b0a0942e34b9977b056888d3088

Aliases

arxiv: 2606.20431 · arxiv_version: 2606.20431v1 · doi: 10.48550/arxiv.2606.20431 · pith_short_12: HLILHVWJBMUC · pith_short_16: HLILHVWJBMUCVHUP · pith_short_8: HLILHVWJ

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/HLILHVWJBMUCVHUPTADFJQJPEJ \
  | 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: 3ad0b3d6c90b282a9e8f980654c12f2276007b0a0942e34b9977b056888d3088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d7814da54e4e94b482765237633a60f0796d36d0def616779d8df5fb5a48289",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-18T16:10:40Z",
    "title_canon_sha256": "74c78d0142ffc1374f2881c0e98c56809e476fc945d6ba16f3fc11e3ba687e5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20431",
    "kind": "arxiv",
    "version": 1
  }
}