Pith Number

pith:LB3V7ILK

pith:2022:LB3V7ILKZW5HD76BSXR5BNCPBF

not attested not anchored not stored refs pending

Error Analysis of Tensor-Train Cross Approximation

Alexander Lidiak, Gongguo Tang, Michael B. Wakin, Zhen Qin, Zhexuan Gong, Zhihui Zhu

arxiv:2207.04327 v3 · 2022-07-09 · cs.LG · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LB3V7ILKZW5HD76BSXR5BNCPBF}

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	2026-07-05T06:24:09.584838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58775fa16acdba71ffc195e3d0b44f09401a3aedfcd5918138200ade8c5e1b10

Aliases

arxiv: 2207.04327 · arxiv_version: 2207.04327v3 · doi: 10.48550/arxiv.2207.04327 · pith_short_12: LB3V7ILKZW5H · pith_short_16: LB3V7ILKZW5HD76B · pith_short_8: LB3V7ILK

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/LB3V7ILKZW5HD76BSXR5BNCPBF \
  | 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: 58775fa16acdba71ffc195e3d0b44f09401a3aedfcd5918138200ade8c5e1b10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61f21e79f90f529159ef5da0c463b80a1f2126a469c452a49cb78d82d03a86ac",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-07-09T19:33:59Z",
    "title_canon_sha256": "838d5a5990339d65af1df108fa3f5e041c72c427c15eafbaf9073743919ded7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.04327",
    "kind": "arxiv",
    "version": 3
  }
}