Pith Number

pith:GI63VP3M

pith:2019:GI63VP3MZXOUOKAUEG7KJH3GYB

not attested not anchored not stored refs pending

Super-Resolution of Brain MRI Images using Overcomplete Dictionaries and Nonlocal Similarity

Bin Song, Jie Guo, Mohsen Guizani, Xiaojiang Du, Yinghua Li

arxiv:1902.04902 v1 · 2019-02-13 · cs.CV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GI63VP3MZXOUOKAUEG7KJH3GYB}

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	2026-05-17T23:54:05.622222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

323dbabf6ccddd47281421bea49f66c06845da97e03f80b6f8bb1170c883815d

Aliases

arxiv: 1902.04902 · arxiv_version: 1902.04902v1 · doi: 10.48550/arxiv.1902.04902 · pith_short_12: GI63VP3MZXOU · pith_short_16: GI63VP3MZXOUOKAU · pith_short_8: GI63VP3M

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/GI63VP3MZXOUOKAUEG7KJH3GYB \
  | 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: 323dbabf6ccddd47281421bea49f66c06845da97e03f80b6f8bb1170c883815d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bbe6bd74f4fc4b60c395c9425346cfe52239d80c3c763b3db66c18db3e31020",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-13T13:39:45Z",
    "title_canon_sha256": "3738049938f0e58d4525eaabf83eee5eb5ec2758d5872a1a5cf0975dbb87749d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04902",
    "kind": "arxiv",
    "version": 1
  }
}