Pith Number

pith:SNWHJ4R4

pith:2015:SNWHJ4R4WIDNV6MGHHWY4P6DLK

not attested not anchored not stored refs pending

A Row-parallel 8$\times$8 2-D DCT Architecture Using Algebraic Integer Based Exact Computation

A. Edirisuriya, A. Madanayake, D. Onen, L. T. Bruton, N. T. Rajapaksha, R. J. Cintra, V. S. Dimitrov

arxiv:1502.04221 v1 · 2015-02-14 · cs.AR · cs.DM · math.NT · stat.CO · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SNWHJ4R4WIDNV6MGHHWY4P6DLK}

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	2026-05-18T02:27:00.211014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

936c74f23cb206daf98639ed8e3fc35a97d646e998b8efa628a078bfe055ef09

Aliases

arxiv: 1502.04221 · arxiv_version: 1502.04221v1 · doi: 10.48550/arxiv.1502.04221 · pith_short_12: SNWHJ4R4WIDN · pith_short_16: SNWHJ4R4WIDNV6MG · pith_short_8: SNWHJ4R4

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/SNWHJ4R4WIDNV6MGHHWY4P6DLK \
  | 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: 936c74f23cb206daf98639ed8e3fc35a97d646e998b8efa628a078bfe055ef09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04ed69c067d3588a10d14f75057b6b9ee524e4ae966a816b5e8a3a5906b4a25f",
    "cross_cats_sorted": [
      "cs.DM",
      "math.NT",
      "stat.CO",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2015-02-14T16:14:05Z",
    "title_canon_sha256": "b2b5ab9974d0deddac65188a3720f32621691dbfd730e63319f0f4f04f3377c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04221",
    "kind": "arxiv",
    "version": 1
  }
}