Pith Number

pith:KTLDJ5XL

pith:2016:KTLDJ5XLB7TXJG62UWGJIIXXFH

not attested not anchored not stored refs pending

Approximate Joint Matrix Triangularization

Nicolo Colombo, Nikos Vlassis

arxiv:1607.00514 v1 · 2016-07-02 · cs.NA · cs.LG · math.NA · 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{KTLDJ5XLB7TXJG62UWGJIIXXFH}

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	2026-05-18T01:11:36.889656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54d634f6eb0fe7749bdaa58c9422f729c083188bc133913e0e3f7f9f64ec3dd2

Aliases

arxiv: 1607.00514 · arxiv_version: 1607.00514v1 · doi: 10.48550/arxiv.1607.00514 · pith_short_12: KTLDJ5XLB7TX · pith_short_16: KTLDJ5XLB7TXJG62 · pith_short_8: KTLDJ5XL

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/KTLDJ5XLB7TXJG62UWGJIIXXFH \
  | 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: 54d634f6eb0fe7749bdaa58c9422f729c083188bc133913e0e3f7f9f64ec3dd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbfcbe07a6e6d04acbc7c306c49c4cbc94ea2cebc4d7f52156d4e439682bedd2",
    "cross_cats_sorted": [
      "cs.LG",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2016-07-02T14:25:58Z",
    "title_canon_sha256": "17bf6eba548203c8816d60e949942fc7a81353b81decf0e38b558a4ef1344b1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00514",
    "kind": "arxiv",
    "version": 1
  }
}