Pith Number

pith:ZFRZYFDY

pith:2017:ZFRZYFDYON3YD4XN66OBWW6TSF

not attested not anchored not stored refs pending

GUN: Gradual Upsampling Network for Single Image Super-Resolution

Guoqing Li, Hai Min, Wei Jia, Wenjun Xie, Xiaoping Liu, Yang Zhao

arxiv:1703.04244 v2 · 2017-03-13 · 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{ZFRZYFDYON3YD4XN66OBWW6TSF}

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	2026-05-18T00:11:32.631766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9639c1478737781f2edf79c1b5bd39177250d5341b2194089c0ef9521b0f8ff

Aliases

arxiv: 1703.04244 · arxiv_version: 1703.04244v2 · doi: 10.48550/arxiv.1703.04244 · pith_short_12: ZFRZYFDYON3Y · pith_short_16: ZFRZYFDYON3YD4XN · pith_short_8: ZFRZYFDY

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/ZFRZYFDYON3YD4XN66OBWW6TSF \
  | 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: c9639c1478737781f2edf79c1b5bd39177250d5341b2194089c0ef9521b0f8ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fedf322399c86177ea3158f52d39454c7e08b7eb65f2837bb6d6a57e6bbdcfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-03-13T04:34:12Z",
    "title_canon_sha256": "e7f76db91bc9633eec9480d5b45099a27a22265fc30162178159d9d14f1cbcfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04244",
    "kind": "arxiv",
    "version": 2
  }
}