Pith Number

pith:U6T466WN

pith:2016:U6T466WNSZVMVYKYQM4AY6QNOG

not attested not anchored not stored refs pending

On best rank-2 and rank-(2,2,2) approximations of order-3 tensors

Alwin Stegeman, Shmuel Friedland

arxiv:1604.06011 v2 · 2016-04-20 · math.AG · 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{U6T466WNSZVMVYKYQM4AY6QNOG}

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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.

Receipt and verification

First computed	2026-05-18T01:04:05.608288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7a7cf7acd966acae15883380c7a0d7192111704d846333fe30e39888456d056

Aliases

arxiv: 1604.06011 · arxiv_version: 1604.06011v2 · doi: 10.48550/arxiv.1604.06011 · pith_short_12: U6T466WNSZVM · pith_short_16: U6T466WNSZVMVYKY · pith_short_8: U6T466WN

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/U6T466WNSZVMVYKYQM4AY6QNOG \
  | 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: a7a7cf7acd966acae15883380c7a0d7192111704d846333fe30e39888456d056

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a2d61700ac82c420c43519cf252ab313b2f2bf61f77a8a75e82b92ec99a24bc",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-04-20T15:55:01Z",
    "title_canon_sha256": "4caf42774125ffdd74d4e1a2ac563cc90245e1e9072bf1808fa5d59d734bc511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06011",
    "kind": "arxiv",
    "version": 2
  }
}