Pith Number

pith:NQD3FY53

pith:2022:NQD3FY53FHBHXO2UQXY6HGK4CO

not attested not anchored not stored refs pending

Estimating the Optimal Covariance with Imperfect Mean in Diffusion Probabilistic Models

Bo Zhang, Chongxuan Li, Fan Bao, Jiacheng Sun, Jun Zhu

arxiv:2206.07309 v1 · 2022-06-15 · cs.LG

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\usepackage{pith}
\pithnumber{NQD3FY53FHBHXO2UQXY6HGK4CO}

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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

2 papers in Pith

The Value of Covariance Matching in Gaussian DDPMs and the Lanczos Sampler

DPM-Solver++: Fast Solver for Guided Sampling of Diffusion Probabilistic Models

Receipt and verification

First computed	2026-07-05T04:32:03.303573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c07b2e3bb29c27bbb5485f1e3995c138fbf4d0cb6f728d768e53628c9b79ac8

Aliases

arxiv: 2206.07309 · arxiv_version: 2206.07309v1 · doi: 10.48550/arxiv.2206.07309 · pith_short_12: NQD3FY53FHBH · pith_short_16: NQD3FY53FHBHXO2U · pith_short_8: NQD3FY53

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/NQD3FY53FHBHXO2UQXY6HGK4CO \
  | 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: 6c07b2e3bb29c27bbb5485f1e3995c138fbf4d0cb6f728d768e53628c9b79ac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "930fd10e1daadb37a91bf518bf97e2486cda3eb3b7467ffb4e24609e8ef4d319",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-06-15T05:42:48Z",
    "title_canon_sha256": "f82abfde564b23eaed86bd6e30e4168737d7c624557958e46557a3c92eeb4918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.07309",
    "kind": "arxiv",
    "version": 1
  }
}