Pith Number

pith:Q7EJAAYL

pith:2015:Q7EJAAYLA666TIP4JN5V35MRSC

not attested not anchored not stored refs pending

A constructive arbitrary-degree Kronecker product decomposition of tensors

Kim Batselier, Ngai Wong

arxiv:1507.08805 v3 · 2015-07-31 · math.NA · cs.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{Q7EJAAYLA666TIP4JN5V35MRSC}

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	2026-05-18T01:19:29.933672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87c890030b07bde9a1fc4b7b5df59190951d64dc14833e24f9a76f9bf600afaf

Aliases

arxiv: 1507.08805 · arxiv_version: 1507.08805v3 · doi: 10.48550/arxiv.1507.08805 · pith_short_12: Q7EJAAYLA666 · pith_short_16: Q7EJAAYLA666TIP4 · pith_short_8: Q7EJAAYL

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/Q7EJAAYLA666TIP4JN5V35MRSC \
  | 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: 87c890030b07bde9a1fc4b7b5df59190951d64dc14833e24f9a76f9bf600afaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d8874d05311c603901b6a6f18a6e8e48615eeb8083fa2c5f9bf25d2d874f95e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-31T09:19:47Z",
    "title_canon_sha256": "cf5da6f3deee85ed2a47cbc304f4e337dd846de22901928f3b0d1cab685f2659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08805",
    "kind": "arxiv",
    "version": 3
  }
}