Pith Number

pith:XLFV4J4Y

pith:2018:XLFV4J4Y2NNC4JRNLOF24FNPLD

not attested not anchored not stored refs pending

Best Nonnegative Rank-One Approximations of Tensors

Defeng Sun, Kim-Chuan Toh, Shenglong Hu

arxiv:1810.13372 v1 · 2018-10-31 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLFV4J4Y2NNC4JRNLOF24FNPLD}

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	2026-05-18T00:01:49.535260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bacb5e2798d35a2e262d5b8bae15af58f7a8bb65ff93e1f24bdedf0ba41a7f62

Aliases

arxiv: 1810.13372 · arxiv_version: 1810.13372v1 · doi: 10.48550/arxiv.1810.13372 · pith_short_12: XLFV4J4Y2NNC · pith_short_16: XLFV4J4Y2NNC4JRN · pith_short_8: XLFV4J4Y

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/XLFV4J4Y2NNC4JRNLOF24FNPLD \
  | 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: bacb5e2798d35a2e262d5b8bae15af58f7a8bb65ff93e1f24bdedf0ba41a7f62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf4992eacfc1f8ad1e49902a3bcf8bb311c4a159922421706b619ef7f3bdab24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-10-31T16:08:23Z",
    "title_canon_sha256": "a1a81555d76dbdcf340a9bc64203d4c840b2ac9ac10d50ff8851c75c75a11b25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.13372",
    "kind": "arxiv",
    "version": 1
  }
}