Pith Number

pith:OYJB4RSY

pith:2019:OYJB4RSY6EU4GESFWRWSSTLASX

not attested not anchored not stored refs pending

Image Enhancement by Recurrently-trained Super-resolution Network

Nojun Kwak, Saem Park

arxiv:1907.11341 v1 · 2019-07-26 · eess.IV · 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{OYJB4RSY6EU4GESFWRWSSTLASX}

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	2026-05-17T23:39:29.396715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76121e4658f129c31245b46d294d6095cd69d2aca186dfa4cea8b64409454288

Aliases

arxiv: 1907.11341 · arxiv_version: 1907.11341v1 · doi: 10.48550/arxiv.1907.11341 · pith_short_12: OYJB4RSY6EU4 · pith_short_16: OYJB4RSY6EU4GESF · pith_short_8: OYJB4RSY

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/OYJB4RSY6EU4GESFWRWSSTLASX \
  | 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: 76121e4658f129c31245b46d294d6095cd69d2aca186dfa4cea8b64409454288

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40bc792876f51fde8ab491af17bf702cdde63547626693c6ff22571271d5c72a",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-07-26T00:30:36Z",
    "title_canon_sha256": "d8d503a8cc76e3dd694ed968dc3e685f532b9113de53caea6456df8f7db9edb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11341",
    "kind": "arxiv",
    "version": 1
  }
}