Pith Number

pith:R7A4UVE5

pith:2022:R7A4UVE5P2IMR67MV2JCDNDVGX

not attested not anchored not stored refs pending

Perception-Oriented Single Image Super-Resolution using Optimal Objective Estimation

Nam Ik Cho, Seung Ho Park, Young Su Moon

arxiv:2211.13676 v3 · 2022-11-24 · cs.CV · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7A4UVE5P2IMR67MV2JCDNDVGX}

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	2026-07-05T05:50:11.371685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc1ca549d7e90c8fbecae9221b47535c1edcbf1ab8aa588d213dfede24a0cab

Aliases

arxiv: 2211.13676 · arxiv_version: 2211.13676v3 · doi: 10.48550/arxiv.2211.13676 · pith_short_12: R7A4UVE5P2IM · pith_short_16: R7A4UVE5P2IMR67M · pith_short_8: R7A4UVE5

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/R7A4UVE5P2IMR67MV2JCDNDVGX \
  | 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: 8fc1ca549d7e90c8fbecae9221b47535c1edcbf1ab8aa588d213dfede24a0cab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2860a79a2f348fe7f4a1cef6cf6fdacaa63f0d6cd0e1a524cdaf4b208b554cde",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-11-24T15:45:03Z",
    "title_canon_sha256": "bd2ca340361ae9ed2278e1caac619b68d8ca2dfc84fc4d5c090b74e33b7649c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.13676",
    "kind": "arxiv",
    "version": 3
  }
}