Pith Number

pith:XYVOMLZG

pith:2017:XYVOMLZGJNT65HMXC5C3NFDSPL

not attested not anchored not stored refs pending

Adaptive synchrosqueezing based on a quilted short-time Fourier transform

Alexander Berrian, Naoki Saito

arxiv:1707.03138 v5 · 2017-07-11 · math.NA · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XYVOMLZGJNT65HMXC5C3NFDSPL}

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	2026-05-18T00:34:57.072612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be2ae62f264b67ee9d971745b694727ad80928159d2c11d0acaaeeb439a28abd

Aliases

arxiv: 1707.03138 · arxiv_version: 1707.03138v5 · doi: 10.48550/arxiv.1707.03138 · pith_short_12: XYVOMLZGJNT6 · pith_short_16: XYVOMLZGJNT65HMX · pith_short_8: XYVOMLZG

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/XYVOMLZGJNT65HMXC5C3NFDSPL \
  | 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: be2ae62f264b67ee9d971745b694727ad80928159d2c11d0acaaeeb439a28abd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c3a3d01b0d5fa7f11579cff140265e8bb887b9fe9d6f11e69e2fddb44b47576",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-11T06:03:25Z",
    "title_canon_sha256": "ddcdbd79e2fa685f43532a6cc022d2cf8b1ca5565d14e45996e37bdf40ac535e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03138",
    "kind": "arxiv",
    "version": 5
  }
}