Pith Number

pith:2NZBUA2Z

pith:2020:2NZBUA2Z4WFTD64H4ZUOCYKEQO

not attested not anchored not stored refs pending

Structure-Preserving Super Resolution with Gradient Guidance

Ce Chen, Cheng Ma, Jie Zhou, Jiwen Lu, Yean Cheng, Yongming Rao

arxiv:2003.13081 v1 · 2020-03-29 · 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{2NZBUA2Z4WFTD64H4ZUOCYKEQO}

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	2026-07-05T00:51:21.973035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3721a0359e58b31fb87e668e161448392cf43f1edac3dfd45b3597045510c1b

Aliases

arxiv: 2003.13081 · arxiv_version: 2003.13081v1 · doi: 10.48550/arxiv.2003.13081 · pith_short_12: 2NZBUA2Z4WFT · pith_short_16: 2NZBUA2Z4WFTD64H · pith_short_8: 2NZBUA2Z

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/2NZBUA2Z4WFTD64H4ZUOCYKEQO \
  | 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: d3721a0359e58b31fb87e668e161448392cf43f1edac3dfd45b3597045510c1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7f63a09badd3921c004c0791e45af3a01600b258c95c5ada15a01973aa4bfd5",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-03-29T17:26:58Z",
    "title_canon_sha256": "7aed76a5aa310570dd2c4220d99561469eebf8c8dff64f9af2ec6a4bc177a87e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.13081",
    "kind": "arxiv",
    "version": 1
  }
}