Pith Number

pith:NPWA7MOT

pith:2026:NPWA7MOTHGVH3O57SYIMGOMDWS

not attested not anchored not stored refs pending

Linear-Scaling Tensor Train Sketching

Mi-Song Dupuy, Paul Cazeaux, Rodrigo Figueroa Justiniano

arxiv:2603.11009 v3 · 2026-03-11 · math.NA · cs.DS · 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{NPWA7MOTHGVH3O57SYIMGOMDWS}

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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

2 papers in Pith

Fast elementwise operations on tensor trains with alternating cross interpolation

Oblivious Subspace Injection Is Not Enough for Relative Error

Receipt and verification

First computed	2026-06-30T02:18:07.561141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bec0fb1d339aa7dbbbf9610c33983b49d3d111bff4cf36a0267515db958e7b7

Aliases

arxiv: 2603.11009 · arxiv_version: 2603.11009v3 · doi: 10.48550/arxiv.2603.11009 · pith_short_12: NPWA7MOTHGVH · pith_short_16: NPWA7MOTHGVH3O57 · pith_short_8: NPWA7MOT

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/NPWA7MOTHGVH3O57SYIMGOMDWS \
  | 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: 6bec0fb1d339aa7dbbbf9610c33983b49d3d111bff4cf36a0267515db958e7b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e5412c71950f7dbe8086f7b9731ec0a6c62136c841fa155dd110286f83bd646",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-03-11T17:31:52Z",
    "title_canon_sha256": "ad7fc700ae7e73b4d56918d1ed3930ff1303dde17f806b2cb49b1e2a694cd6f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.11009",
    "kind": "arxiv",
    "version": 3
  }
}