Pith Number

pith:IW3JWU4O

pith:2015:IW3JWU4OECGFIAVEQY4KJYZBGO

not attested not anchored not stored refs pending

Graphulo Implementation of Server-Side Sparse Matrix Multiply in the Accumulo Database

Adam Fuchs, Dylan Hutchison, Jeremy Kepner, Vijay Gadepally

arxiv:1507.01066 v2 · 2015-07-04 · cs.DB · cs.DC · 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{IW3JWU4OECGFIAVEQY4KJYZBGO}

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	2026-05-18T01:09:29.784240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b69b538e208c5402a48638a4e32133aaab687f32be6b19569187bf662e0ce0

Aliases

arxiv: 1507.01066 · arxiv_version: 1507.01066v2 · doi: 10.48550/arxiv.1507.01066 · pith_short_12: IW3JWU4OECGF · pith_short_16: IW3JWU4OECGFIAVE · pith_short_8: IW3JWU4O

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/IW3JWU4OECGFIAVEQY4KJYZBGO \
  | 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: 45b69b538e208c5402a48638a4e32133aaab687f32be6b19569187bf662e0ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5caa90889e1dc29aa84187b505e2190e3eb6bdb74f27a930891635738155b76a",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-07-04T05:20:22Z",
    "title_canon_sha256": "f6b7707335aa32200e261e53378a97830831cf0c4ab87118db471d027e4a8ba1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01066",
    "kind": "arxiv",
    "version": 2
  }
}