Pith Number

pith:UCVH2TJY

pith:2015:UCVH2TJYSCIM6H3BL2QMSRFCN5

not attested not anchored not stored refs pending

Robustness Analysis of Preconditioned Successive Projection Algorithm for General Form of Separable NMF Problem

Tomohiko Mizutani

arxiv:1506.08387 v2 · 2015-06-28 · stat.ML · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCVH2TJYSCIM6H3BL2QMSRFCN5}

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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	2026-05-18T01:19:44.435097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0aa7d4d389090cf1f615ea0c944a26f41db5f77a9d58de034a4d0802c326964

Aliases

arxiv: 1506.08387 · arxiv_version: 1506.08387v2 · doi: 10.48550/arxiv.1506.08387 · pith_short_12: UCVH2TJYSCIM · pith_short_16: UCVH2TJYSCIM6H3B · pith_short_8: UCVH2TJY

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/UCVH2TJYSCIM6H3BL2QMSRFCN5 \
  | 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: a0aa7d4d389090cf1f615ea0c944a26f41db5f77a9d58de034a4d0802c326964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a04890d156cd89bf110ac37e845d9aa34f397ea9957354103721ca4c55043c50",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-06-28T12:10:27Z",
    "title_canon_sha256": "e58b011889942eeb4881b82ed9be713a9956d9aa5cca5b7d0970096f1045dc2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08387",
    "kind": "arxiv",
    "version": 2
  }
}