Pith Number

pith:BK73K4PH

pith:2019:BK73K4PHGDOXTHQNAETHAT5FO7

not attested not anchored not stored refs pending

Distributed-Memory Tensor Completion for Generalized Loss Functions in Python using New Sparse Tensor Kernels

Edgar Solomonik, Naijing Zhang, Navjot Singh, Siyuan Zhang, Xiaoxiao Wu, Zecheng Zhang

arxiv:1910.02371 v3 · 2019-10-06 · cs.DC · cs.MS · cs.NA · 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{BK73K4PHGDOXTHQNAETHAT5FO7}

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	2026-07-05T02:42:40.272135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0abfb571e730dd799e0d0126704fa577d9c5a11ec8be1fc6d3b01b39cd4637b2

Aliases

arxiv: 1910.02371 · arxiv_version: 1910.02371v3 · doi: 10.48550/arxiv.1910.02371 · pith_short_12: BK73K4PHGDOX · pith_short_16: BK73K4PHGDOXTHQN · pith_short_8: BK73K4PH

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/BK73K4PHGDOXTHQNAETHAT5FO7 \
  | 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: 0abfb571e730dd799e0d0126704fa577d9c5a11ec8be1fc6d3b01b39cd4637b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e72eb71c3921c29f694cbe2f1cc64bb6ae58ad5eb4dbb85c9b3b9369ed6316d",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-10-06T04:48:05Z",
    "title_canon_sha256": "7df3ebe6402aa7176601e722e852c2be7f1ae006a32ae5b4020cff95fdaa5137"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.02371",
    "kind": "arxiv",
    "version": 3
  }
}