Pith Number

pith:7TGEQINS

pith:2017:7TGEQINSC7TH7EV7BYQR7K6UI2

not attested not anchored not stored refs pending

Maximum Volume Inscribed Ellipsoid: A New Simplex-Structured Matrix Factorization Framework via Facet Enumeration and Convex Optimization

Chia-Hsiang Lin, Chong-Yung Chi, Ruiyuan Wu, Wing-Kin Ma, Yue Wang

arxiv:1708.02883 v3 · 2017-08-09 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TGEQINSC7TH7EV7BYQR7K6UI2}

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	2026-05-18T00:12:43.907526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fccc4821b217e67f92bf0e211fabd446b09c39aef03992ba2c81e25a3035b669

Aliases

arxiv: 1708.02883 · arxiv_version: 1708.02883v3 · doi: 10.48550/arxiv.1708.02883 · pith_short_12: 7TGEQINSC7TH · pith_short_16: 7TGEQINSC7TH7EV7 · pith_short_8: 7TGEQINS

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/7TGEQINSC7TH7EV7BYQR7K6UI2 \
  | 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: fccc4821b217e67f92bf0e211fabd446b09c39aef03992ba2c81e25a3035b669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32439f21f2ed2c81925c26e98975bec7969017e3bc4d76461d3e8d5a5ae4fc4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-08-09T15:48:58Z",
    "title_canon_sha256": "18544bd3434eb1cf64c1023a0e9d546dc750685528308a8da81a9adb6d5a75ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02883",
    "kind": "arxiv",
    "version": 3
  }
}