Pith Number

pith:MXX3UYFB

pith:2016:MXX3UYFB2SACD5BXGZUAKKRX33

not attested not anchored not stored refs pending

dMath: Distributed Linear Algebra for DL

Cameron Upright, Hars Vardhan, Stephen Walsh, Steven Eliuk, Trevor Gale

arxiv:1611.07819 v1 · 2016-11-19 · cs.DC · cs.MS · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXX3UYFB2SACD5BXGZUAKKRX33}

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	2026-05-18T00:56:59.723013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65efba60a1d48021f4373668052a37decc3bb9bca4e266a65e94210a10e4cd67

Aliases

arxiv: 1611.07819 · arxiv_version: 1611.07819v1 · doi: 10.48550/arxiv.1611.07819 · pith_short_12: MXX3UYFB2SAC · pith_short_16: MXX3UYFB2SACD5BX · pith_short_8: MXX3UYFB

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/MXX3UYFB2SACD5BXGZUAKKRX33 \
  | 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: 65efba60a1d48021f4373668052a37decc3bb9bca4e266a65e94210a10e4cd67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef455bf9fe218910b01d6c4e0299a459c9eeaea0315b657a7cef42725a399872",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-11-19T00:24:12Z",
    "title_canon_sha256": "83cde91501e415e94964e1370779d28a1a70a2abaf44872cac4ace97fba9d488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07819",
    "kind": "arxiv",
    "version": 1
  }
}