Pith Number

pith:LRFUGFX3

pith:2025:LRFUGFX3ZZYM6JYCJEJBDZDVNR

not attested not anchored not stored refs pending

SparseJEPA: Sparse Representation Learning of Joint Embedding Predictive Architectures

Lav Varshney, Max Hartman

arxiv:2504.16140 v1 · 2025-04-22 · 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{LRFUGFX3ZZYM6JYCJEJBDZDVNR}

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	2026-07-05T10:52:42.038273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c4b4316fbce70cf2702491211e4756c52c8c144757e7ce11dd16be0e30d78b9

Aliases

arxiv: 2504.16140 · arxiv_version: 2504.16140v1 · doi: 10.48550/arxiv.2504.16140 · pith_short_12: LRFUGFX3ZZYM · pith_short_16: LRFUGFX3ZZYM6JYC · pith_short_8: LRFUGFX3

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/LRFUGFX3ZZYM6JYCJEJBDZDVNR \
  | 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: 5c4b4316fbce70cf2702491211e4756c52c8c144757e7ce11dd16be0e30d78b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94f6e5bd17fb93dc94f5fea86412d52fd127b351315e619893e8215382896053",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-22T02:43:00Z",
    "title_canon_sha256": "3f7eeb4d01a59356f192e070e54dd1d7f7f2071da3de03b0e42306dece9087c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16140",
    "kind": "arxiv",
    "version": 1
  }
}