Pith Number

pith:RT7HJIWO

pith:2017:RT7HJIWOS7HBLMPXOK6M6JUJYE

not attested not anchored not stored refs pending

A Massively Parallel Algorithm for the Approximate Calculation of Inverse p-th Roots of Large Sparse Matrices

Christian Plessl, Hendrik Wiebeler, Michael Lass, Stephan Mohr, Thomas D. K\"uhne

arxiv:1710.10899 v3 · 2017-10-30 · 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{RT7HJIWOS7HBLMPXOK6M6JUJYE}

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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	2026-06-04T19:11:08.307486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cfe74a2ce97ce15b1f772bccf2689c105dbbca34224fca0d041b14a47b67825

Aliases

arxiv: 1710.10899 · arxiv_version: 1710.10899v3 · doi: 10.48550/arxiv.1710.10899 · pith_short_12: RT7HJIWOS7HB · pith_short_16: RT7HJIWOS7HBLMPX · pith_short_8: RT7HJIWO

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/RT7HJIWOS7HBLMPXOK6M6JUJYE \
  | 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: 8cfe74a2ce97ce15b1f772bccf2689c105dbbca34224fca0d041b14a47b67825

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f103d7f19855a822a480bbb167791e07ab6d7b178b99160f4f68d5beff5f018",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2017-10-30T12:33:35Z",
    "title_canon_sha256": "071f1b2977f209e0005bf3e266a1becf29e63c87796852fda98de63948412e42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10899",
    "kind": "arxiv",
    "version": 3
  }
}