Pith Number

pith:PUTM44YS

pith:2025:PUTM44YSQ7E2SB3GVE5JQPZZBW

not attested not anchored not stored refs pending

Beyond Matryoshka: Revisiting Sparse Coding for Adaptive Representation

Bo Chen, Chenyu You, Hongwei Liu, Stefanie Jegelka, Tiansheng Wen, Xinyang Liu, Yifei Wang, Yudi Su, Zequn Zeng, Zhong Peng

arxiv:2503.01776 v5 · 2025-03-03 · cs.LG · cs.AI · cs.CV · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUTM44YSQ7E2SB3GVE5JQPZZBW}

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

2 papers in Pith

From Tokens to Concepts: Leveraging SAE for SPLADE

Receipt and verification

First computed	2026-07-05T11:05:41.239584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d26ce731287c9a90766a93a983f390db6d5346e4648f8df542a82f780949a4b

Aliases

arxiv: 2503.01776 · arxiv_version: 2503.01776v5 · doi: 10.48550/arxiv.2503.01776 · pith_short_12: PUTM44YSQ7E2 · pith_short_16: PUTM44YSQ7E2SB3G · pith_short_8: PUTM44YS

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/PUTM44YSQ7E2SB3GVE5JQPZZBW \
  | 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: 7d26ce731287c9a90766a93a983f390db6d5346e4648f8df542a82f780949a4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24809ed9502e8320de95bb324d32679488ea3bd07d8f91897e732f1cdff2c917",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-03-03T17:59:48Z",
    "title_canon_sha256": "fed0961bed0db72bbc93610022ebbfc41ae9b72ea2d65511ed865db27c1d56e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.01776",
    "kind": "arxiv",
    "version": 5
  }
}