Pith Number

pith:NT7SBYPZ

pith:2019:NT7SBYPZFC7HSA3XY5LBG2GHAS

not attested not anchored not stored refs pending

Multiscale High-Dimensional Sparse Fourier Algorithms for Noisy Data

Andrew Christlieb, Bosu Choi, Yang Wang

arxiv:1907.03692 v1 · 2019-07-08 · math.NA · cs.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{NT7SBYPZFC7HSA3XY5LBG2GHAS}

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	2026-05-17T23:41:14.012052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cff20e1f928be790377c7561368c704ab689784cf8d606bfd20ad1ea1cb4f8f

Aliases

arxiv: 1907.03692 · arxiv_version: 1907.03692v1 · doi: 10.48550/arxiv.1907.03692 · pith_short_12: NT7SBYPZFC7H · pith_short_16: NT7SBYPZFC7HSA3X · pith_short_8: NT7SBYPZ

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/NT7SBYPZFC7HSA3XY5LBG2GHAS \
  | 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: 6cff20e1f928be790377c7561368c704ab689784cf8d606bfd20ad1ea1cb4f8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f3a04b8f7b141faa67c10edb40256bb3a46b129eaed29e2c9b586ab82aa2de0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-08T15:57:13Z",
    "title_canon_sha256": "67df580fc09acd14de77a63bb83d8b4f4403fad35f57f456810c0685e4a3f15e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03692",
    "kind": "arxiv",
    "version": 1
  }
}