Pith Number

pith:XIDGE5WD

pith:2016:XIDGE5WDBOQ4RRAVBEWEHKG6HK

not attested not anchored not stored refs pending

The Fast Slepian Transform

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

arxiv:1611.04950 v2 · 2016-11-15 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIDGE5WDBOQ4RRAVBEWEHKG6HK}

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	2026-05-18T00:38:13.860003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba066276c30ba1c8c415092c43a8de3a83f950d606f3a0cfab8a25b388dff7de

Aliases

arxiv: 1611.04950 · arxiv_version: 1611.04950v2 · doi: 10.48550/arxiv.1611.04950 · pith_short_12: XIDGE5WDBOQ4 · pith_short_16: XIDGE5WDBOQ4RRAV · pith_short_8: XIDGE5WD

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/XIDGE5WDBOQ4RRAVBEWEHKG6HK \
  | 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: ba066276c30ba1c8c415092c43a8de3a83f950d606f3a0cfab8a25b388dff7de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25b9be0f76a490d639929797455810126a693536cd617a676bd415ad53c1419d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-15T17:27:49Z",
    "title_canon_sha256": "c5aedabe05eff2aa4f1ead5116afc50a0f22d1583b170208acba100d4baad359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04950",
    "kind": "arxiv",
    "version": 2
  }
}