Pith Number

pith:4FGEKZVX

pith:2017:4FGEKZVXTWSXAC47WZJUBN4IHC

not attested not anchored not stored refs pending

Optimal Combination of Image Denoisers

Joon Hee Choi, Omar Elgendy, Stanley H. Chan

arxiv:1711.06712 v4 · 2017-11-17 · 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{4FGEKZVXTWSXAC47WZJUBN4IHC}

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	2026-05-17T23:52:29.368340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e14c4566b79da5700b9fb65340b78838a1c759e96d9214e3614a91e0d1b09e08

Aliases

arxiv: 1711.06712 · arxiv_version: 1711.06712v4 · doi: 10.48550/arxiv.1711.06712 · pith_short_12: 4FGEKZVXTWSX · pith_short_16: 4FGEKZVXTWSXAC47 · pith_short_8: 4FGEKZVX

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/4FGEKZVXTWSXAC47WZJUBN4IHC \
  | 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: e14c4566b79da5700b9fb65340b78838a1c759e96d9214e3614a91e0d1b09e08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21bd2210236c69311ff383101139d8ab33db755e4037f3bb31422ae77709bf3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-11-17T20:00:26Z",
    "title_canon_sha256": "d05c62aa53cf67df74e30fb22b2c38bb071df89b83bcc0cd8851868e4de1a6de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06712",
    "kind": "arxiv",
    "version": 4
  }
}