Pith Number

pith:IH56Q34W

pith:2015:IH56Q34WACH53RRGADWU72OUHM

not attested not anchored not stored refs pending

The Arithmetic Cosine Transform: Exact and Approximate Algorithms

R. J. Cintra, V. S. Dimitrov

arxiv:1502.01377 v1 · 2015-02-04 · cs.NA · math.NA · stat.AP · stat.CO · 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{IH56Q34WACH53RRGADWU72OUHM}

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	2026-05-18T02:27:56.654247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41fbe86f96008fddc62600ed4fe9d43b06fd42015d6e2b08240328b70271bfb0

Aliases

arxiv: 1502.01377 · arxiv_version: 1502.01377v1 · doi: 10.48550/arxiv.1502.01377 · pith_short_12: IH56Q34WACH5 · pith_short_16: IH56Q34WACH53RRG · pith_short_8: IH56Q34W

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/IH56Q34WACH53RRGADWU72OUHM \
  | 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: 41fbe86f96008fddc62600ed4fe9d43b06fd42015d6e2b08240328b70271bfb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02261a66da4c4ed8c0380c7046db078b60552fd27b5eb2ec9182c78a8c0150d5",
    "cross_cats_sorted": [
      "math.NA",
      "stat.AP",
      "stat.CO",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-02-04T22:10:21Z",
    "title_canon_sha256": "8a4241d03a3c090388e8ad15a7e973bf6fb1e3f1b9d2ce0ebd7aab8e5abafe05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01377",
    "kind": "arxiv",
    "version": 1
  }
}