Pith Number

pith:YVTXOPA3

pith:2025:YVTXOPA3NZ45H6WEEZRCRTMYIJ

not attested not anchored not stored refs pending

Efficient iterative techniques for solving tensor problems with the T-product

Hamidreza Afshin, Malihe Nobakht Kooshkghazi, Salman Ahmadi-Asl

arxiv:2504.17861 v1 · 2025-04-24 · math.NA · 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{YVTXOPA3NZ45H6WEEZRCRTMYIJ}

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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.

Cited by

1 paper in Pith

Copositive Matrices with Ordered Off-Diagonal Entries

Receipt and verification

First computed	2026-07-05T10:53:57.269075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c567773c1b6e79d3fac4266228cd984279e33984d2ef93a64dd250416878b8df

Aliases

arxiv: 2504.17861 · arxiv_version: 2504.17861v1 · doi: 10.48550/arxiv.2504.17861 · pith_short_12: YVTXOPA3NZ45 · pith_short_16: YVTXOPA3NZ45H6WE · pith_short_8: YVTXOPA3

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/YVTXOPA3NZ45H6WEEZRCRTMYIJ \
  | 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: c567773c1b6e79d3fac4266228cd984279e33984d2ef93a64dd250416878b8df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "476c2374a6a06a67f6b8fd26edfa1d2e36d8c8c19812fe2de5e402af0f454e5c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-24T18:06:06Z",
    "title_canon_sha256": "06c09f2dc8b7621dd3675885c559d771669091de49579abe00ea9e295946f6d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17861",
    "kind": "arxiv",
    "version": 1
  }
}