Pith Number

pith:KK4XAY4T

pith:2017:KK4XAY4TROGEDVVPW4CNUGQACG

not attested not anchored not stored refs pending

A Digital Hardware Fast Algorithm and FPGA-based Prototype for a Novel 16-point Approximate DCT for Image Compression Applications

A. Edirisuriya, A. Madanayake, F. M. Bayer, R. J. Cintra

arxiv:1702.01805 v1 · 2017-02-06 · cs.MM · cs.AR · cs.DS · cs.IT · math.IT · 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{KK4XAY4TROGEDVVPW4CNUGQACG}

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	2026-05-18T00:51:11.209342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52b97063938b8c41d6afb704da1a00119dfebd963b58d925f9d68da29de252b5

Aliases

arxiv: 1702.01805 · arxiv_version: 1702.01805v1 · doi: 10.48550/arxiv.1702.01805 · pith_short_12: KK4XAY4TROGE · pith_short_16: KK4XAY4TROGEDVVP · pith_short_8: KK4XAY4T

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/KK4XAY4TROGEDVVPW4CNUGQACG \
  | 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: 52b97063938b8c41d6afb704da1a00119dfebd963b58d925f9d68da29de252b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5e1eda3f9f56bde0a318c4b0b1c7aac92b225baebd89e16f235546645b5cdab",
    "cross_cats_sorted": [
      "cs.AR",
      "cs.DS",
      "cs.IT",
      "math.IT",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2017-02-06T22:00:34Z",
    "title_canon_sha256": "81eaff81fd62bf281d41572778c851d282d70c0399b7cd742cdcf50a19761d19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01805",
    "kind": "arxiv",
    "version": 1
  }
}