Pith Number

pith:I4VENSDS

pith:2019:I4VENSDSDBZB2LEZM4ZGYNZZET

not attested not anchored not stored refs pending

Daubechies' Time-Frequency Localization Operator on Cantor Type Sets

Helge Knutsen

arxiv:1907.00848 v1 · 2019-07-01 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4VENSDSDBZB2LEZM4ZGYNZZET}

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	2026-05-17T23:41:47.890992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

472a46c87218721d2c9967326c373924f2ce64a6b1996d2c020f119f6007235e

Aliases

arxiv: 1907.00848 · arxiv_version: 1907.00848v1 · doi: 10.48550/arxiv.1907.00848 · pith_short_12: I4VENSDSDBZB · pith_short_16: I4VENSDSDBZB2LEZ · pith_short_8: I4VENSDS

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/I4VENSDSDBZB2LEZM4ZGYNZZET \
  | 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: 472a46c87218721d2c9967326c373924f2ce64a6b1996d2c020f119f6007235e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98112ff245682c9c4f3850ce68a47f0e51b710e7841b9adc636d831c733df113",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-07-01T15:16:10Z",
    "title_canon_sha256": "d8bc33002b67dc9155576702ff34608bf5c54b6b1903dcb26e15112b89378bbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00848",
    "kind": "arxiv",
    "version": 1
  }
}