Pith Number

pith:UGC4XS4Y

pith:2018:UGC4XS4YELORVZ3FEOTLI4UDI6

not attested not anchored not stored refs pending

HDArray: Parallel Array Interface for Distributed Heterogeneous Devices

(2) Purdue University), Hyun Dok Cho (1), Okwan Kwon (1), Samuel P. Midkiff (2) ((1) NVIDIA Corporation

arxiv:1809.05657 v2 · 2018-09-15 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGC4XS4YELORVZ3FEOTLI4UDI6}

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	2026-05-18T00:05:27.465173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a185cbcb9822dd1ae76523a6b47283479c28d44b001432739d1a33113837b954

Aliases

arxiv: 1809.05657 · arxiv_version: 1809.05657v2 · doi: 10.48550/arxiv.1809.05657 · pith_short_12: UGC4XS4YELOR · pith_short_16: UGC4XS4YELORVZ3F · pith_short_8: UGC4XS4Y

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/UGC4XS4YELORVZ3FEOTLI4UDI6 \
  | 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: a185cbcb9822dd1ae76523a6b47283479c28d44b001432739d1a33113837b954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60c6834d25fbdd84f919d53df9ecebcd545cb6dbdde45eb9498a4dfb088261c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-09-15T06:15:50Z",
    "title_canon_sha256": "12c739f4023822067f16bc3a8585610271f5d40b91ecfa5e067d305f58dd0b17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05657",
    "kind": "arxiv",
    "version": 2
  }
}