Pith Number

pith:LXR6AAJH

pith:2021:LXR6AAJHKLNRTQFKPOLKYNUWJU

not attested not anchored not stored refs pending

UltraSR: Spatial Encoding is a Missing Key for Implicit Image Function-based Arbitrary-Scale Super-Resolution

Humphrey Shi, Xingqian Xu, Zhangyang Wang

arxiv:2103.12716 v2 · 2021-03-23 · 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{LXR6AAJHKLNRTQFKPOLKYNUWJU}

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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.

Cited by

1 paper in Pith

Fidelity- and Perception-Aware Local Implicit Attention for Arbitrary-Scale Image Super-Resolution

Receipt and verification

First computed	2026-07-05T04:37:16.356401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5de3e0012752db19c0aa7b96ac36964d2c68a9058d938899c7a150e0f86d3f6b

Aliases

arxiv: 2103.12716 · arxiv_version: 2103.12716v2 · doi: 10.48550/arxiv.2103.12716 · pith_short_12: LXR6AAJHKLNR · pith_short_16: LXR6AAJHKLNRTQFK · pith_short_8: LXR6AAJH

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/LXR6AAJHKLNRTQFKPOLKYNUWJU \
  | 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: 5de3e0012752db19c0aa7b96ac36964d2c68a9058d938899c7a150e0f86d3f6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2138a0a876f8462d5c93b0013be86f0e5ea17b12b1d98ae0569e9103f99a0ec4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-23T17:36:42Z",
    "title_canon_sha256": "eb428962291cb08beecabd564e70cbc508b431ba926cc02570c48be921d809ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12716",
    "kind": "arxiv",
    "version": 2
  }
}