Pith Number

pith:5VRAOWPD

pith:2016:5VRAOWPDZ6XKS2VOZPFEWLUFSY

not attested not anchored not stored refs pending

Fast Cosine Transform to increase speed-up and efficiency of Karhunen-Loeve Transform for lossy image compression

Juliana Gambini, Mario Mastriani

arxiv:1607.03164 v1 · 2016-07-11 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VRAOWPDZ6XKS2VOZPFEWLUFSY}

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	2026-05-18T01:11:09.662673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed620759e3cfaea96aaecbca4b2e85960c32be06e64091c86aeaefb50b0685f1

Aliases

arxiv: 1607.03164 · arxiv_version: 1607.03164v1 · doi: 10.48550/arxiv.1607.03164 · pith_short_12: 5VRAOWPDZ6XK · pith_short_16: 5VRAOWPDZ6XKS2VO · pith_short_8: 5VRAOWPD

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/5VRAOWPDZ6XKS2VOZPFEWLUFSY \
  | 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: ed620759e3cfaea96aaecbca4b2e85960c32be06e64091c86aeaefb50b0685f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbbf3e70be0b7cf1294edcc0211936e6a553e94795167945b4ab03fe59b5a60b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-07-11T21:18:24Z",
    "title_canon_sha256": "60e96d42d643afc1773d70fde72807198b9674a50283231c7583109159b94717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03164",
    "kind": "arxiv",
    "version": 1
  }
}