Pith Number

pith:7AEVOHDN

pith:2017:7AEVOHDNXWP5SHIIJXCQSS3CEE

not attested not anchored not stored refs pending

On the minimal ranks of matrix pencils and the existence of a best approximate block-term tensor decomposition

Jos\'e Henrique De Morais Goulart, Pierre Comon

arxiv:1712.05742 v2 · 2017-12-15 · math.NA · cs.NA · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7AEVOHDNXWP5SHIIJXCQSS3CEE}

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	2026-05-18T00:12:53.820903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f809571c6dbd9fd91d084dc5094b62211617ba89f06b7167ea78a118be0aad39

Aliases

arxiv: 1712.05742 · arxiv_version: 1712.05742v2 · doi: 10.48550/arxiv.1712.05742 · pith_short_12: 7AEVOHDNXWP5 · pith_short_16: 7AEVOHDNXWP5SHII · pith_short_8: 7AEVOHDN

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/7AEVOHDNXWP5SHIIJXCQSS3CEE \
  | 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: f809571c6dbd9fd91d084dc5094b62211617ba89f06b7167ea78a118be0aad39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3805f3e5a278600d5da249c15a80220fd17ca86e624000abc1a347ea097ccf1",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-15T16:40:23Z",
    "title_canon_sha256": "d89af26c460370456198786c143cf9ba3379c11b776a0745c6a74ec09b2a3697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05742",
    "kind": "arxiv",
    "version": 2
  }
}