Pith Number

pith:I27DVM4L

pith:2016:I27DVM4LYQZF2RWP7E4ONYC6QY

not attested not anchored not stored refs pending

A survey of sparse matrix-vector multiplication performance on large matrices

Christopher Thiele, Faruk O. Alpak, Florian Frank, Mauricio Araya-Polo, Max Grossman, Vivek Sarkar

arxiv:1608.00636 v1 · 2016-08-01 · cs.PF · cs.DC · 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{I27DVM4LYQZF2RWP7E4ONYC6QY}

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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	2026-05-18T01:10:01.479482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46be3ab38bc4325d46cff938e6e05e862aab80d710827455b95d5269b2b81411

Aliases

arxiv: 1608.00636 · arxiv_version: 1608.00636v1 · doi: 10.48550/arxiv.1608.00636 · pith_short_12: I27DVM4LYQZF · pith_short_16: I27DVM4LYQZF2RWP · pith_short_8: I27DVM4L

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/I27DVM4LYQZF2RWP7E4ONYC6QY \
  | 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: 46be3ab38bc4325d46cff938e6e05e862aab80d710827455b95d5269b2b81411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "615b2354970e84798b25e4936596a37425e9c6a360af7e9a60f22828dc824470",
    "cross_cats_sorted": [
      "cs.DC",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2016-08-01T22:52:28Z",
    "title_canon_sha256": "8e9fb734e743548f596e5370cb2a6f2fb526a0f86984fe1f3f3a3dfa698e4949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00636",
    "kind": "arxiv",
    "version": 1
  }
}