Pith Number

pith:PKFIN5BP

pith:2018:PKFIN5BPGHBE2UXSP4P5I6T5DA

not attested not anchored not stored refs pending

Singular Value Decomposition Approximation via Kronecker Summations for Imaging Applications

Chang Meng, Clarissa Garvey, James G. Nagy

arxiv:1803.11525 v2 · 2018-03-30 · math.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{PKFIN5BPGHBE2UXSP4P5I6T5DA}

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	2026-05-18T00:19:40.787531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a8a86f42f31c24d52f27f1fd47a7d180a20b6273646a8e1332fb004aad8d61c

Aliases

arxiv: 1803.11525 · arxiv_version: 1803.11525v2 · doi: 10.48550/arxiv.1803.11525 · pith_short_12: PKFIN5BPGHBE · pith_short_16: PKFIN5BPGHBE2UXS · pith_short_8: PKFIN5BP

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/PKFIN5BPGHBE2UXSP4P5I6T5DA \
  | 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: 7a8a86f42f31c24d52f27f1fd47a7d180a20b6273646a8e1332fb004aad8d61c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5222ce06d932398001c925ed6ee15dee652afb1c2b79501059339e3f600ab39c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-30T15:58:30Z",
    "title_canon_sha256": "257b3e3b301320b4f5359b5eb36a359ca2cb8289e07b33de9b04d65c19402848"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11525",
    "kind": "arxiv",
    "version": 2
  }
}