Pith Number

pith:YYU633AN

pith:2017:YYU633ANCLTGBZXSBPGQNIQSCJ

not attested not anchored not stored refs pending

ROAST: Rapid Orthogonal Approximate Slepian Transform

Justin Romberg, Mark A. Davenport, Michael B. Wakin, Santhosh Karnik, Zhihui Zhu

arxiv:1712.04613 v2 · 2017-12-13 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYU633ANCLTGBZXSBPGQNIQSCJ}

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	2026-05-18T00:00:59.623391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c629edec0d12e660e6f20bcd06a212124b9830f14f73774dee79f59c1e5c605a

Aliases

arxiv: 1712.04613 · arxiv_version: 1712.04613v2 · doi: 10.48550/arxiv.1712.04613 · pith_short_12: YYU633ANCLTG · pith_short_16: YYU633ANCLTGBZXS · pith_short_8: YYU633AN

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/YYU633ANCLTGBZXSBPGQNIQSCJ \
  | 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: c629edec0d12e660e6f20bcd06a212124b9830f14f73774dee79f59c1e5c605a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd308139fac37724f4d642123645dbb3f81e739da93a03c5c7bebd916d1188ff",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-13T05:47:49Z",
    "title_canon_sha256": "2a252020c4027fd1f35768645eda91dc501b013424afaf481bde6fad94ca621f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04613",
    "kind": "arxiv",
    "version": 2
  }
}