Pith Number

pith:SIGAAUPL

pith:2018:SIGAAUPLRNFIHBFIKOZMCWXLLD

not attested not anchored not stored refs pending

High Performance Rearrangement and Multiplication Routines for Sparse Tensor Arithmetic

Adam P. Harrison, Dileepan Joseph

arxiv:1802.02619 v1 · 2018-02-07 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIGAAUPLRNFIHBFIKOZMCWXLLD}

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	2026-05-18T00:24:03.544535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920c0051eb8b4a8384a853b2c15aeb58e295ccf690986688da641f5c3ae95173

Aliases

arxiv: 1802.02619 · arxiv_version: 1802.02619v1 · doi: 10.48550/arxiv.1802.02619 · pith_short_12: SIGAAUPLRNFI · pith_short_16: SIGAAUPLRNFIHBFI · pith_short_8: SIGAAUPL

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/SIGAAUPLRNFIHBFIKOZMCWXLLD \
  | 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: 920c0051eb8b4a8384a853b2c15aeb58e295ccf690986688da641f5c3ae95173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a1c3593374ec1c1869ce4ef2cbbced81dad0b0b0f5b2161f45a868da9063ec7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2018-02-07T20:01:45Z",
    "title_canon_sha256": "f16cf8c5493a71c43d15618d12a65910742ec871de924f7d882a43e4686210e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02619",
    "kind": "arxiv",
    "version": 1
  }
}