Pith Number

pith:PPQ6E6HM

pith:2014:PPQ6E6HMYHFHXO4F3IEMC7KJQ4

not attested not anchored not stored refs pending

Uniqueness of Nonnegative Tensor Approximations

Lek-Heng Lim, Pierre Comon, Yang Qi

arxiv:1410.8129 v4 · 2014-10-29 · cs.NA · cs.IT · math.IT · math.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{PPQ6E6HMYHFHXO4F3IEMC7KJQ4}

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	2026-05-18T01:20:50.662882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7be1e278ecc1ca7bbb85da08c17d49870a62f5c88e58f63cc02d8d364a73f904

Aliases

arxiv: 1410.8129 · arxiv_version: 1410.8129v4 · doi: 10.48550/arxiv.1410.8129 · pith_short_12: PPQ6E6HMYHFH · pith_short_16: PPQ6E6HMYHFHXO4F · pith_short_8: PPQ6E6HM

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/PPQ6E6HMYHFHXO4F3IEMC7KJQ4 \
  | 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: 7be1e278ecc1ca7bbb85da08c17d49870a62f5c88e58f63cc02d8d364a73f904

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e6b0de38727b120f084718530b490ce6f36a0a9c246e5fd3ae35ed5695b4998",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2014-10-29T10:38:15Z",
    "title_canon_sha256": "4b37a49534019433e5158cfd037bd158651573f2e1aeae5b31fca4c444972a41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8129",
    "kind": "arxiv",
    "version": 4
  }
}