Pith Number

pith:GRBWQ47R

pith:2021:GRBWQ47RW5I7GSYQXHQPMHMLUC

not attested not anchored not stored refs pending

Frequency-Aware Physics-Inspired Degradation Model for Real-World Image Super-Resolution

Guangtao Zhai, Hong Cao, Wang Shen, Yikai Su, Yu Gan, Yuye Ling, ZhenXing Dong

arxiv:2111.03301 v2 · 2021-11-05 · eess.IV · 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{GRBWQ47RW5I7GSYQXHQPMHMLUC}

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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	2026-07-05T03:56:04.311231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34436873f1b751f34b10b9e0f61d8ba0941ddafddd4daf0d94af5b0940cf89f3

Aliases

arxiv: 2111.03301 · arxiv_version: 2111.03301v2 · doi: 10.48550/arxiv.2111.03301 · pith_short_12: GRBWQ47RW5I7 · pith_short_16: GRBWQ47RW5I7GSYQ · pith_short_8: GRBWQ47R

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/GRBWQ47RW5I7GSYQXHQPMHMLUC \
  | 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: 34436873f1b751f34b10b9e0f61d8ba0941ddafddd4daf0d94af5b0940cf89f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd575e86191a4839ac22f83f57a7934957a2b4cf0e5fab058dcf1987849d02c2",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-11-05T07:30:00Z",
    "title_canon_sha256": "6524b45183a6e174f644ba5f13185e64fe033e0d851dfdd7a4a37fda55e7662d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03301",
    "kind": "arxiv",
    "version": 2
  }
}