Pith Number

pith:MJD2L4OU

pith:2015:MJD2L4OUXTWBIDT47KWFNBTQ5T

not attested not anchored not stored refs pending

Convergence of Alternating Least Squares Optimisation for Rank-One Approximation to High Order Tensors

Aram Khachatryan, Mike Espig

arxiv:1503.05431 v1 · 2015-03-18 · 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{MJD2L4OUXTWBIDT47KWFNBTQ5T}

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	2026-05-18T02:21:50.419414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6247a5f1d4bcec140e7cfaac568670ecd6ff97e5f2280bd977ff1e527fa0db20

Aliases

arxiv: 1503.05431 · arxiv_version: 1503.05431v1 · doi: 10.48550/arxiv.1503.05431 · pith_short_12: MJD2L4OUXTWB · pith_short_16: MJD2L4OUXTWBIDT4 · pith_short_8: MJD2L4OU

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/MJD2L4OUXTWBIDT47KWFNBTQ5T \
  | 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: 6247a5f1d4bcec140e7cfaac568670ecd6ff97e5f2280bd977ff1e527fa0db20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b35e4a8a3fd1eaeba5ce06e9140c273b4e8252f692e47047d4fa075fcd34b350",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-18T14:38:21Z",
    "title_canon_sha256": "8f05cbe7719458759f582886c08a26303402a4978c2e8c77fdb6cf77777644b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05431",
    "kind": "arxiv",
    "version": 1
  }
}