Pith Number

pith:X4KYYINN

pith:2019:X4KYYINNSJWT5LGPSO66S45JGC

not attested not anchored not stored refs pending

Camera Lens Super-Resolution

Chang Chen, Feng Wu, Xinmei Tian, Zheng-Jun Zha, Zhiwei Xiong

arxiv:1904.03378 v1 · 2019-04-06 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4KYYINNSJWT5LGPSO66S45JGC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:49:13.641608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf158c21ad926d3eaccf93bde973a930a56f362149436124276636e81dba7e51

Aliases

arxiv: 1904.03378 · arxiv_version: 1904.03378v1 · doi: 10.48550/arxiv.1904.03378 · pith_short_12: X4KYYINNSJWT · pith_short_16: X4KYYINNSJWT5LGP · pith_short_8: X4KYYINN

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/X4KYYINNSJWT5LGPSO66S45JGC \
  | 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: bf158c21ad926d3eaccf93bde973a930a56f362149436124276636e81dba7e51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8855ea7ae3fc1caa9da97143c0c69af96ee9ae06fe5673e745004efaff17961",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-06T07:04:07Z",
    "title_canon_sha256": "8fbd020a8f3bf0e8527c68f0399119b30356c454c106c7fe29a88045929dedf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03378",
    "kind": "arxiv",
    "version": 1
  }
}