Pith Number

pith:E4ADQDYD

pith:2014:E4ADQDYD65ZXBRAYMFBO4HRQHP

not attested not anchored not stored refs pending

Krawtchouk transforms and Convolutions

Philip Feinsilver, Ren\'e Schott

arxiv:1409.4715 v1 · 2014-09-16 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4ADQDYD65ZXBRAYMFBO4HRQHP}

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	2026-05-18T02:42:45.034071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2700380f03f77370c4186142ee1e303beb75f2b9647c3ad25e5d90e8f63c279e

Aliases

arxiv: 1409.4715 · arxiv_version: 1409.4715v1 · doi: 10.48550/arxiv.1409.4715 · pith_short_12: E4ADQDYD65ZX · pith_short_16: E4ADQDYD65ZXBRAY · pith_short_8: E4ADQDYD

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/E4ADQDYD65ZXBRAYMFBO4HRQHP \
  | 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: 2700380f03f77370c4186142ee1e303beb75f2b9647c3ad25e5d90e8f63c279e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdc5dd5556f750bf62cfe6dff0f167609fb79daa4223e16ab0f033192a3b5e20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-09-16T17:50:01Z",
    "title_canon_sha256": "d28ea4977791b331a4f52e617c65bdc1c6d48a4156d9fe4043fb05b166a9f43a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4715",
    "kind": "arxiv",
    "version": 1
  }
}