Pith Number

pith:N2ZBGEPV

pith:2025:N2ZBGEPVBBVIUMPOFNWHABBQT4

not attested not anchored not stored refs pending

Fourier Basis Mapping: A Time-Frequency Learning Framework for Time Series Forecasting

Jianxun Li, Jie Yang, Kun Fang, Longbing Cao, Runze Yang, Xin You

arxiv:2507.09445 v2 · 2025-07-13 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2ZBGEPVBBVIUMPOFNWHABBQT4}

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	2026-07-05T11:47:25.909516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eb21311f5086a8a31ee2b6c7004309f2d45c87bf4c0a1503b307443b730244c

Aliases

arxiv: 2507.09445 · arxiv_version: 2507.09445v2 · doi: 10.48550/arxiv.2507.09445 · pith_short_12: N2ZBGEPVBBVI · pith_short_16: N2ZBGEPVBBVIUMPO · pith_short_8: N2ZBGEPV

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/N2ZBGEPVBBVIUMPOFNWHABBQT4 \
  | 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: 6eb21311f5086a8a31ee2b6c7004309f2d45c87bf4c0a1503b307443b730244c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d54089cfb65ededfe1d801c51dc40ed4696699261a817a4b8f84c5ed1e775660",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-13T01:45:27Z",
    "title_canon_sha256": "a9a61f191e8b36be22c39afc8d1987deab972f4f6e996385b1eb4e5e8a93689b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09445",
    "kind": "arxiv",
    "version": 2
  }
}