Pith Number

pith:MWATUYAD

pith:2017:MWATUYADBFIJ56UW6AGFNPP4ZG

not attested not anchored not stored refs pending

A mixed EIM-SVD tensor decomposition for bivariate functions

Asma Toumi, Florian de Vuyst

arxiv:1711.01821 v1 · 2017-11-06 · 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{MWATUYADBFIJ56UW6AGFNPP4ZG}

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	2026-05-18T00:31:16.773093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65813a600309509efa96f00c56bdfcc9b8e8f44453d4e5e58b39cadbcd4473a3

Aliases

arxiv: 1711.01821 · arxiv_version: 1711.01821v1 · doi: 10.48550/arxiv.1711.01821 · pith_short_12: MWATUYADBFIJ · pith_short_16: MWATUYADBFIJ56UW · pith_short_8: MWATUYAD

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/MWATUYADBFIJ56UW6AGFNPP4ZG \
  | 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: 65813a600309509efa96f00c56bdfcc9b8e8f44453d4e5e58b39cadbcd4473a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27bfa632dd35ddf1c52734ff8e012a8ed011e8b1f026a73b4096fb9908d1f3ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-06T10:36:17Z",
    "title_canon_sha256": "59a872e55cbf2a878dcf3d4e71ff0d4b30f340ccd81c21aad71195dfafbe6118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01821",
    "kind": "arxiv",
    "version": 1
  }
}