Pith Number

pith:BA2XZACK

pith:2015:BA2XZACK2OOJKPN7TT26BH62YD

not attested not anchored not stored refs pending

A Discrete Tchebichef Transform Approximation for Image and Video Coding

A. Madanayake, F. M. Bayer, P. A. M. Oliveira, R. J. Cintra, S. Kulasekera

arxiv:1502.00555 v1 · 2015-01-28 · stat.ME · cs.CV · cs.MM · cs.NA · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BA2XZACK2OOJKPN7TT26BH62YD}

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	2026-05-18T02:28:05.791270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08357c804ad39c953dbf9cf5e09fdac0ce12893bcadab79e12d1a697f8ef5a0a

Aliases

arxiv: 1502.00555 · arxiv_version: 1502.00555v1 · doi: 10.48550/arxiv.1502.00555 · pith_short_12: BA2XZACK2OOJ · pith_short_16: BA2XZACK2OOJKPN7 · pith_short_8: BA2XZACK

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/BA2XZACK2OOJKPN7TT26BH62YD \
  | 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: 08357c804ad39c953dbf9cf5e09fdac0ce12893bcadab79e12d1a697f8ef5a0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af819b57758b2882934aaaf37c0fe5fbf769226bc90cdb1d1e28cfc32080785f",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.MM",
      "cs.NA",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-01-28T14:07:44Z",
    "title_canon_sha256": "167bbbbb2a094348b5f357b56c5296ce55da1c326229e3f738fcc4237f5eb0e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00555",
    "kind": "arxiv",
    "version": 1
  }
}