Pith Number

pith:UJ2JGCN2

pith:2017:UJ2JGCN24TVW2Q33AJAR6V3QYZ

not attested not anchored not stored refs pending

Relevant sampling of the short-time Fourier transform of time-frequency localized functions

Gino Angelo Velasco

arxiv:1707.09634 v1 · 2017-07-30 · 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{UJ2JGCN24TVW2Q33AJAR6V3QYZ}

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	2026-05-18T00:39:10.766513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2749309bae4eb6d437b02411f5770c66cb0cd5685f70de4d7000e8d33c022fa

Aliases

arxiv: 1707.09634 · arxiv_version: 1707.09634v1 · doi: 10.48550/arxiv.1707.09634 · pith_short_12: UJ2JGCN24TVW · pith_short_16: UJ2JGCN24TVW2Q33 · pith_short_8: UJ2JGCN2

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/UJ2JGCN24TVW2Q33AJAR6V3QYZ \
  | 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: a2749309bae4eb6d437b02411f5770c66cb0cd5685f70de4d7000e8d33c022fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b8848e6fc99d20e07f25b3ed1981acf6fcc4c53934cb888008edef0a3cfd3c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-07-30T15:41:38Z",
    "title_canon_sha256": "31361b7f36a541e89f50314f49825bbf12edf8f5ec6b202c5c963ae673317bd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09634",
    "kind": "arxiv",
    "version": 1
  }
}