Pith Number

pith:VFU23HGE

pith:2021:VFU23HGER5IKTMXXRA3AA5PUSF

not attested not anchored not stored refs pending

Unsupervised Degradation Representation Learning for Blind Super-Resolution

Jungang Yang, Longguang Wang, Qingyu Xu, Wei An, Xiaoyu Dong, Yingqian Wang, Yulan Guo

arxiv:2104.00416 v1 · 2021-04-01 · 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{VFU23HGER5IKTMXXRA3AA5PUSF}

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	2026-07-05T02:28:27.826501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a969ad9cc48f50a9b2f788360075f491408c795affc5932a1b206a0212f4d773

Aliases

arxiv: 2104.00416 · arxiv_version: 2104.00416v1 · doi: 10.48550/arxiv.2104.00416 · pith_short_12: VFU23HGER5IK · pith_short_16: VFU23HGER5IKTMXX · pith_short_8: VFU23HGE

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/VFU23HGER5IKTMXXRA3AA5PUSF \
  | 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: a969ad9cc48f50a9b2f788360075f491408c795affc5932a1b206a0212f4d773

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07705f26a5a3c34a60a7dce5a99f9886fe6a488c58e4aaa9aa0307e74a070388",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-01T11:57:42Z",
    "title_canon_sha256": "6338d74fc886169ec9586a6dba2aef021dedbfb965c773e1a0c4ce9fb516c517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.00416",
    "kind": "arxiv",
    "version": 1
  }
}