Pith Number

pith:OQIYM4K2

pith:2015:OQIYM4K2LB2BGRDHSJ7Z3B2QCA

not attested not anchored not stored refs pending

ConceFT: Concentration of Frequency and Time via a multitapered synchrosqueezed transform

Hau-Tieng Wu, Ingrid Daubechies, Yi Wang

arxiv:1507.05366 v1 · 2015-07-20 · math.ST · cs.NA · stat.AP · stat.ME · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQIYM4K2LB2BGRDHSJ7Z3B2QCA}

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	2026-05-18T01:16:18.476185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

741186715a5874134467927f9d8750100f0df5687d37dcd0d8f17686b33a978c

Aliases

arxiv: 1507.05366 · arxiv_version: 1507.05366v1 · doi: 10.48550/arxiv.1507.05366 · pith_short_12: OQIYM4K2LB2B · pith_short_16: OQIYM4K2LB2BGRDH · pith_short_8: OQIYM4K2

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/OQIYM4K2LB2BGRDHSJ7Z3B2QCA \
  | 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: 741186715a5874134467927f9d8750100f0df5687d37dcd0d8f17686b33a978c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7759381c2a0880dc93a119d7a6925cfe95f877cd5719a26d517f4a8e120bbeb8",
    "cross_cats_sorted": [
      "cs.NA",
      "stat.AP",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-07-20T02:05:14Z",
    "title_canon_sha256": "2091ee7c24cd7863802e958d143c93d3ca59a545eb1600f710817276b2a36d49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05366",
    "kind": "arxiv",
    "version": 1
  }
}