Pith Number

pith:WCIIYLLJ

pith:2020:WCIIYLLJV6E7JOUSQ2F5RITNZU

not attested not anchored not stored refs pending

Enhancing and Learning Denoiser without Clean Reference

Daniel P.K. Lun, Kin-man Lam, Rui Zhao

arxiv:2009.04286 v2 · 2020-09-09 · eess.IV · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCIIYLLJV6E7JOUSQ2F5RITNZU}

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	2026-07-05T02:26:49.731991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0908c2d69af89f4ba92868bd8a26dcd2c2dcda8cc4974c9204d6a4a89e682a2

Aliases

arxiv: 2009.04286 · arxiv_version: 2009.04286v2 · doi: 10.48550/arxiv.2009.04286 · pith_short_12: WCIIYLLJV6E7 · pith_short_16: WCIIYLLJV6E7JOUS · pith_short_8: WCIIYLLJ

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/WCIIYLLJV6E7JOUSQ2F5RITNZU \
  | 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: b0908c2d69af89f4ba92868bd8a26dcd2c2dcda8cc4974c9204d6a4a89e682a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53f23a303fb46b779884baeaf5baf3291a02cccd8a1916fca23aa65561599c61",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-09-09T13:15:31Z",
    "title_canon_sha256": "2a804d50b9e44db555a0fb865a21e37367635c1a6b5442d7cb9d9ae5058446c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.04286",
    "kind": "arxiv",
    "version": 2
  }
}