Pith Number

pith:SSU2LHGL

pith:2009:SSU2LHGLIIDKL4CNOW6IJSN3EK

not attested not anchored not stored refs pending

Nonnegative approximations of nonnegative tensors

Lek-Heng Lim, Pierre Comon

arxiv:0903.4530 v2 · 2009-03-26 · cs.NA · cs.IR · 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{SSU2LHGLIIDKL4CNOW6IJSN3EK}

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	2026-06-03T23:06:25.228569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94a9a59ccb4206a5f04d75bc84c9bb2291f533ea857927d8579a8f6808dfeef3

Aliases

arxiv: 0903.4530 · arxiv_version: 0903.4530v2 · doi: 10.48550/arxiv.0903.4530 · pith_short_12: SSU2LHGLIIDK · pith_short_16: SSU2LHGLIIDKL4CN · pith_short_8: SSU2LHGL

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/SSU2LHGLIIDKL4CNOW6IJSN3EK \
  | 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: 94a9a59ccb4206a5f04d75bc84c9bb2291f533ea857927d8579a8f6808dfeef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e5b7a3b5d8b3a300cca2f57771c1240045d921f265168e99542c962ee181062",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2009-03-26T08:39:45Z",
    "title_canon_sha256": "5d14dae453da5b30736d8a04fbbe0822cbd3a25d18ec9ecd9a79f1a6776ccccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4530",
    "kind": "arxiv",
    "version": 2
  }
}