Pith Number

pith:QCPI6ANI

pith:2017:QCPI6ANIK2GS5GIHKO2SP64J6V

not attested not anchored not stored refs pending

Quadratic Programming Over Ellipsoids (with Applications to Constrained Linear Regression and Tensor Decomposition)

Andrzej Cichocki, Anh-Huy Phan, Danilo Mandic, Masao Yamagishi

arxiv:1711.04401 v1 · 2017-11-13 · 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{QCPI6ANIK2GS5GIHKO2SP64J6V}

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	2026-05-18T00:30:39.148880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809e8f01a8568d2e990753b527fb89f55d286cf49d1bd1b7217866bf0fd19cdf

Aliases

arxiv: 1711.04401 · arxiv_version: 1711.04401v1 · doi: 10.48550/arxiv.1711.04401 · pith_short_12: QCPI6ANIK2GS · pith_short_16: QCPI6ANIK2GS5GIH · pith_short_8: QCPI6ANI

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/QCPI6ANIK2GS5GIHKO2SP64J6V \
  | 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: 809e8f01a8568d2e990753b527fb89f55d286cf49d1bd1b7217866bf0fd19cdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77eb4de6678d3849b9fa9ddf33a3eb5d442af07c1240981be5955c267994881c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-11-13T03:03:51Z",
    "title_canon_sha256": "02d4743043e3d5caed45aa0c8d7f42e510b748d5b2f353c74f4031cbdbabdf99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04401",
    "kind": "arxiv",
    "version": 1
  }
}