Pith Number

pith:GUDUIBCA

pith:2019:GUDUIBCAOGXO7ND3XMRICRPAWV

not attested not anchored not stored refs pending

Subexponential-Time Algorithms for Sparse PCA

Afonso S. Bandeira, Alexander S. Wein, Dmitriy Kunisky, Yunzi Ding

arxiv:1907.11635 v3 · 2019-07-26 · math.ST · cs.CC · cs.DS · stat.ML · stat.TH

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\usepackage{pith}
\pithnumber{GUDUIBCAOGXO7ND3XMRICRPAWV}

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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

Information-Computation Gaps in Quantum Learning via Low-Degree Likelihood

Receipt and verification

First computed	2026-07-05T04:34:10.941482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

350744044071aeefb47bbb228145e0b5585630a0554baa11e5db21f0c0f73d2f

Aliases

arxiv: 1907.11635 · arxiv_version: 1907.11635v3 · doi: 10.48550/arxiv.1907.11635 · pith_short_12: GUDUIBCAOGXO · pith_short_16: GUDUIBCAOGXO7ND3 · pith_short_8: GUDUIBCA

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/GUDUIBCAOGXO7ND3XMRICRPAWV \
  | 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: 350744044071aeefb47bbb228145e0b5585630a0554baa11e5db21f0c0f73d2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa95672508bfbbb600b0a191dd9ff2d05a15e4f499e5508efdebdd8f00e18475",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-07-26T15:45:13Z",
    "title_canon_sha256": "5135f9c08e47e129ce8f56f3ace4db4b829a2cd0b01c13dd85fe4dfa85535ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11635",
    "kind": "arxiv",
    "version": 3
  }
}