Pith Number

pith:X2ONYDVB

pith:2017:X2ONYDVBY2S4C4RC2GV5E2MSEW

not attested not anchored not stored refs pending

Image Restoration by Iterative Denoising and Backward Projections

Raja Giryes, Tom Tirer

arxiv:1710.06647 v4 · 2017-10-18 · cs.CV · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2ONYDVBY2S4C4RC2GV5E2MSEW}

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	2026-05-18T00:03:37.202647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be9cdc0ea1c6a5c17222d1abd2699225864b395209a70cfff8197024ad6e79bc

Aliases

arxiv: 1710.06647 · arxiv_version: 1710.06647v4 · doi: 10.48550/arxiv.1710.06647 · pith_short_12: X2ONYDVBY2S4 · pith_short_16: X2ONYDVBY2S4C4RC · pith_short_8: X2ONYDVB

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/X2ONYDVBY2S4C4RC2GV5E2MSEW \
  | 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: be9cdc0ea1c6a5c17222d1abd2699225864b395209a70cfff8197024ad6e79bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d9ea460c25a9bda1ad3bc76b745a4ad2dd8b303463533cb1074cc0fa0e332ce",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-10-18T09:39:30Z",
    "title_canon_sha256": "31c0b6c65db904d72892a9db50145376a797771e8b5805347a202c4ae6e8ff11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06647",
    "kind": "arxiv",
    "version": 4
  }
}