Pith Number

pith:MWHTHAGX

pith:2019:MWHTHAGXELQV3KYUNHDYPXSPAM

not attested not anchored not stored refs pending

Analysis of the Optimization Landscapes for Overcomplete Representation Learning

Qing Qu, Xiao Li, Yuexiang Zhai, Yuqian Zhang, Zhihui Zhu

arxiv:1912.02427 v2 · 2019-12-05 · cs.LG · cs.IT · eess.SP · math.IT · math.OC · stat.ML

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\usepackage{pith}
\pithnumber{MWHTHAGXELQV3KYUNHDYPXSPAM}

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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

1 paper in Pith

Sparse Autoencoders Find Highly Interpretable Features in Language Models

Receipt and verification

First computed	2026-07-05T00:25:19.788039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

658f3380d722e15dab1469c787de4f030f530c29906719cde25ef5a5f09010ad

Aliases

arxiv: 1912.02427 · arxiv_version: 1912.02427v2 · doi: 10.48550/arxiv.1912.02427 · pith_short_12: MWHTHAGXELQV · pith_short_16: MWHTHAGXELQV3KYU · pith_short_8: MWHTHAGX

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/MWHTHAGXELQV3KYUNHDYPXSPAM \
  | 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: 658f3380d722e15dab1469c787de4f030f530c29906719cde25ef5a5f09010ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8613775588fa6deb882df0d8aaa6b50f3c9ff337a13e9ad7e56508fc14901d95",
    "cross_cats_sorted": [
      "cs.IT",
      "eess.SP",
      "math.IT",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-12-05T08:14:24Z",
    "title_canon_sha256": "1f02abeae68d6078475f25cdf15c4b0cc59ec8ac16f8d3411643f5b568250cc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02427",
    "kind": "arxiv",
    "version": 2
  }
}