Pith Number

pith:ACRJPKJ6

pith:2022:ACRJPKJ6AAQNMWPNSK2PMK5U6F

not attested not anchored not stored refs pending

Black box approximation in the tensor train format initialized by ANOVA decomposition

Andrei Chertkov, Gleb Ryzhakov, Ivan Oseledets

arxiv:2208.03380 v1 · 2022-08-05 · 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{ACRJPKJ6AAQNMWPNSK2PMK5U6F}

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	2026-07-05T04:46:40.211620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00a297a93e0020d659ed92b4f62bb4f17f5b846cb4c3a4a90971b9cf01fd13c0

Aliases

arxiv: 2208.03380 · arxiv_version: 2208.03380v1 · doi: 10.48550/arxiv.2208.03380 · pith_short_12: ACRJPKJ6AAQN · pith_short_16: ACRJPKJ6AAQNMWPN · pith_short_8: ACRJPKJ6

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/ACRJPKJ6AAQNMWPNSK2PMK5U6F \
  | 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: 00a297a93e0020d659ed92b4f62bb4f17f5b846cb4c3a4a90971b9cf01fd13c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38c75b96e73f9b9ae6c2d39876b20aa9c200e77dadc39f469110c5127680c047",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-08-05T20:38:03Z",
    "title_canon_sha256": "7e5b0abcaf4fd685c7440016e5697a71f64fa1414eace8c08c489baa883d0701"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.03380",
    "kind": "arxiv",
    "version": 1
  }
}