Pith Number

pith:Z6RHAX4W

pith:2017:Z6RHAX4WQINKMZR36D2IPBXRT5

not attested not anchored not stored refs pending

Aspects of 2D-Adaptive Fourier Decompositions

Long-fei Cao, Tao Qian, Vladimir Temlyakov, You Gao

arxiv:1710.09277 v1 · 2017-10-24 · math.NA · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z6RHAX4WQINKMZR36D2IPBXRT5}

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	2026-05-18T00:31:59.881111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfa2705f96821aa6663bf0f48786f19f5515dbd8339f382233115b79528495b0

Aliases

arxiv: 1710.09277 · arxiv_version: 1710.09277v1 · doi: 10.48550/arxiv.1710.09277 · pith_short_12: Z6RHAX4WQINK · pith_short_16: Z6RHAX4WQINKMZR3 · pith_short_8: Z6RHAX4W

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/Z6RHAX4WQINKMZR36D2IPBXRT5 \
  | 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: cfa2705f96821aa6663bf0f48786f19f5515dbd8339f382233115b79528495b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dfed604e414eb020979e7bee7c275139b31968edf1d073fdee142486030c242",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-10-24T07:05:51Z",
    "title_canon_sha256": "fb618034ad87824ab27de32eed7a1b5bb1f552fbbe97ad6db6e64d6b187d31a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09277",
    "kind": "arxiv",
    "version": 1
  }
}