Pith Number

pith:MMN2XVBU

pith:2025:MMN2XVBURDNYJGJ7J5PVP36EYM

not attested not anchored not stored refs pending

Quaternion Sparse Decomposition for Multi-focus Color Image Fusion

Weihua Yang, Yicong Zhou

arxiv:2505.02365 v2 · 2025-05-05 · 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{MMN2XVBURDNYJGJ7J5PVP36EYM}

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	2026-07-05T11:49:09.753486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

631babd43488db84993f4f5f57efc4c322eca2f74df0c7c7c0231b035c989a14

Aliases

arxiv: 2505.02365 · arxiv_version: 2505.02365v2 · doi: 10.48550/arxiv.2505.02365 · pith_short_12: MMN2XVBURDNY · pith_short_16: MMN2XVBURDNYJGJ7 · pith_short_8: MMN2XVBU

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/MMN2XVBURDNYJGJ7J5PVP36EYM \
  | 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: 631babd43488db84993f4f5f57efc4c322eca2f74df0c7c7c0231b035c989a14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dabda5f49b895e61e54f7e4f2d50b1c3ae41525e37d1719aa8cb297d97be654",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-05-05T05:08:33Z",
    "title_canon_sha256": "7bdaac2edd538dadef030cbfe3c32c161dfb612e6b554b81af0171c930f2dc1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02365",
    "kind": "arxiv",
    "version": 2
  }
}