Pith Number

pith:5VB3STXZ

pith:2018:5VB3STXZAWNKYUMCUS3IR6YZLR

not attested not anchored not stored refs pending

FFT Multichannel Interpolation and Application to Image Super-resolution

Dong Cheng, Kit Ian Kou

arxiv:1802.10291 v2 · 2018-02-28 · cs.IT · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VB3STXZAWNKYUMCUS3IR6YZLR}

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	2026-05-17T23:48:52.958421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed43b94ef9059aac5182a4b688fb195c7297588b2b765698e0e1956de84385aa

Aliases

arxiv: 1802.10291 · arxiv_version: 1802.10291v2 · doi: 10.48550/arxiv.1802.10291 · pith_short_12: 5VB3STXZAWNK · pith_short_16: 5VB3STXZAWNKYUMC · pith_short_8: 5VB3STXZ

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/5VB3STXZAWNKYUMCUS3IR6YZLR \
  | 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: ed43b94ef9059aac5182a4b688fb195c7297588b2b765698e0e1956de84385aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "387dabd9fdb055fcaa9804feedd1fa9aa6b79777c3bb00e5826b4e591a6acefa",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-02-28T07:07:15Z",
    "title_canon_sha256": "6bf602a45e0fbb15bc4b814db9279e86c2fce9bf8f6618fa195ebc8fa82b05eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10291",
    "kind": "arxiv",
    "version": 2
  }
}