Pith Number

pith:5HSAQD6S

pith:2016:5HSAQD6SFMV7BSUSZMZWW3FGV6

not attested not anchored not stored refs pending

Correlation Preserving Sparse Coding Over Multi-level Dictionaries for Image Denoising

Huizhu Jia, Rui Chen, Wen Gao, Xiaodong Xie

arxiv:1612.08049 v1 · 2016-12-23 · 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{5HSAQD6SFMV7BSUSZMZWW3FGV6}

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	2026-05-18T00:54:05.034457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9e4080fd22b2bf0ca92cb336b6ca6afb5cf83f8267d1f4cbe2b6c7fde12efa0

Aliases

arxiv: 1612.08049 · arxiv_version: 1612.08049v1 · doi: 10.48550/arxiv.1612.08049 · pith_short_12: 5HSAQD6SFMV7 · pith_short_16: 5HSAQD6SFMV7BSUS · pith_short_8: 5HSAQD6S

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/5HSAQD6SFMV7BSUSZMZWW3FGV6 \
  | 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: e9e4080fd22b2bf0ca92cb336b6ca6afb5cf83f8267d1f4cbe2b6c7fde12efa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81dfb82d795ae964fa37d646422612c1ef4275bd22fa3499783d8669c99e70d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-12-23T17:38:23Z",
    "title_canon_sha256": "496bc2c1bd36d190f6d882e94bde3e2f0848d6b81550abb247ef109a4fa1324c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08049",
    "kind": "arxiv",
    "version": 1
  }
}