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Pith Number

pith:W332KFYX

pith:2013:W332KFYXRMZLYVK5NQN7R2PUUI
not attested not anchored not stored refs pending

Low-complexity 8-point DCT Approximations Based on Integer Functions

C. J. Tablada, F. M. Bayer, R. J. Cintra

arxiv:1309.7604 v2 · 2013-09-29 · stat.ME

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{W332KFYXRMZLYVK5NQN7R2PUUI}

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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 2026-05-18T02:57:52.554407Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b6f7a517178b32bc555d6c1bf8e9f4a237bb863db9435c9c9c5840943e5f27f5

Aliases

arxiv: 1309.7604 · arxiv_version: 1309.7604v2 · doi: 10.48550/arxiv.1309.7604 · pith_short_12: W332KFYXRMZL · pith_short_16: W332KFYXRMZLYVK5 · pith_short_8: W332KFYX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/W332KFYXRMZLYVK5NQN7R2PUUI \
  | 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: b6f7a517178b32bc555d6c1bf8e9f4a237bb863db9435c9c9c5840943e5f27f5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "73c1352e8f01b7f9e96e4af52927671827602eaf410788cc0c974882a1673faf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-09-29T15:06:58Z",
    "title_canon_sha256": "c27d607820b0b40080d59a4422feb7a980c6c611e1c660d3b317fc6b4da86f1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7604",
    "kind": "arxiv",
    "version": 2
  }
}