Pith Number

pith:W4T6BLLZ

pith:2024:W4T6BLLZGSA75R2JLUPQSJXIAY

not attested not anchored not stored refs pending

Improving Diffusion Models for Inverse Problems Using Optimal Posterior Covariance

Chenglin Li, Hongkai Xiong, Junni Zou, Nuoqian Xiao, Wenrui Dai, Xinyu Peng, Ziyang Zheng

arxiv:2402.02149 v2 · 2024-02-03 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4T6BLLZGSA75R2JLUPQSJXIAY}

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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

Sample-efficient evidence estimation of score based priors for model selection

Receipt and verification

First computed	2026-07-05T08:26:18.643400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b727e0ad793481fec7495d1f0926e8061a0ee7cb40aab2f9e6e5bdb1763a445a

Aliases

arxiv: 2402.02149 · arxiv_version: 2402.02149v2 · doi: 10.48550/arxiv.2402.02149 · pith_short_12: W4T6BLLZGSA7 · pith_short_16: W4T6BLLZGSA75R2J · pith_short_8: W4T6BLLZ

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/W4T6BLLZGSA75R2JLUPQSJXIAY \
  | 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: b727e0ad793481fec7495d1f0926e8061a0ee7cb40aab2f9e6e5bdb1763a445a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89acd01740c20537b1a9e4d0f9469c37e01502aec447a171c30b8943839577a1",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-02-03T13:35:39Z",
    "title_canon_sha256": "940307ffb8ed180d6c2a1605db07c229409fae261b9f57c9914a222f61dc5d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.02149",
    "kind": "arxiv",
    "version": 2
  }
}