Pith Number

pith:DE6CT7XG

pith:2025:DE6CT7XGVNWGNKOG6VAKRENOGN

not attested not anchored not stored refs pending

A Novel Adaptive Low-Rank Matrix Approximation Method for Image Compression and Reconstruction

Chang Liu, Weijie Shen, Weiwei Xu, Zhigang Jia

arxiv:2506.22713 v1 · 2025-06-28 · math.NA · cs.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{DE6CT7XGVNWGNKOG6VAKRENOGN}

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	2026-07-05T11:28:44.043497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

193c29fee6ab6c66a9c6f540a891ae33599c74664713fd525d839063991c42f7

Aliases

arxiv: 2506.22713 · arxiv_version: 2506.22713v1 · doi: 10.48550/arxiv.2506.22713 · pith_short_12: DE6CT7XGVNWG · pith_short_16: DE6CT7XGVNWGNKOG · pith_short_8: DE6CT7XG

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/DE6CT7XGVNWGNKOG6VAKRENOGN \
  | 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: 193c29fee6ab6c66a9c6f540a891ae33599c74664713fd525d839063991c42f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af2ee7ea73a1e9e54cc0adfab3cb7bded0fde2492691f3781e12105c0a62a6b1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-28T01:48:42Z",
    "title_canon_sha256": "9d9ab898e97f2bd9b22916fbe8956c886d620e657c06909cdc50827772beb2e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.22713",
    "kind": "arxiv",
    "version": 1
  }
}