Pith Number

pith:HFSXQ6JO

pith:2015:HFSXQ6JOKW3EHEQJEJF747ODYB

not attested not anchored not stored refs pending

A Class of DCT Approximations Based on the Feig-Winograd Algorithm

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

arxiv:1502.00592 v2 · 2015-02-02 · stat.ME · cs.CV · cs.MM · cs.NA · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFSXQ6JOKW3EHEQJEJF747ODYB}

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	2026-05-18T01:11:00.252370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

396578792e55b6439209224bfe7dc3c060a92877cb679e6f339f20a345597d62

Aliases

arxiv: 1502.00592 · arxiv_version: 1502.00592v2 · doi: 10.48550/arxiv.1502.00592 · pith_short_12: HFSXQ6JOKW3E · pith_short_16: HFSXQ6JOKW3EHEQJ · pith_short_8: HFSXQ6JO

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/HFSXQ6JOKW3EHEQJEJF747ODYB \
  | 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: 396578792e55b6439209224bfe7dc3c060a92877cb679e6f339f20a345597d62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c5b612bdca2304c4dae1c2612b2571e121b569785c1b280037881b81e44b9d",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.MM",
      "cs.NA",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-02-02T19:39:46Z",
    "title_canon_sha256": "5deb1d11fe95e5efe19bc977c8ec993cc46e0c080b48e671f941b1a6bb35b02d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00592",
    "kind": "arxiv",
    "version": 2
  }
}