Pith Number

pith:I6Q7ASAX

pith:2022:I6Q7ASAXLNPZYLKJZE5EZVL5RE

not attested not anchored not stored refs pending

A Review of Deep Learning Based Image Super-resolution Techniques

Fangyuan Zhu

arxiv:2201.10521 v1 · 2022-01-22 · 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{I6Q7ASAXLNPZYLKJZE5EZVL5RE}

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	2026-07-05T03:51:20.184997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47a1f048175b5f9c2d49c93a4cd57d8930440acf2c7bb517f14ac5ba7c8733ae

Aliases

arxiv: 2201.10521 · arxiv_version: 2201.10521v1 · doi: 10.48550/arxiv.2201.10521 · pith_short_12: I6Q7ASAXLNPZ · pith_short_16: I6Q7ASAXLNPZYLKJ · pith_short_8: I6Q7ASAX

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/I6Q7ASAXLNPZYLKJZE5EZVL5RE \
  | 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: 47a1f048175b5f9c2d49c93a4cd57d8930440acf2c7bb517f14ac5ba7c8733ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e38d81487734f2c4b74e853945816f8c85e5d992ae01ea64312aef88b95e1d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-01-22T03:13:11Z",
    "title_canon_sha256": "f55b2a1ab83043451dab8bad70bde24e5725883c1948fdb929358264c78275b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.10521",
    "kind": "arxiv",
    "version": 1
  }
}