Pith Number

pith:ZHJZFWIF

pith:2025:ZHJZFWIFKWML6BZXKTC2NWCFSX

not attested not anchored not stored refs pending

Frequency-Constrained Learning for Long-Term Forecasting

Lijun Sun, Menglin Kong, Vincent Zhihao Zheng

arxiv:2508.01508 v1 · 2025-08-02 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHJZFWIFKWML6BZXKTC2NWCFSX}

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	2026-07-05T11:47:40.151125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9d392d9055598bf073754c5a6d84595cdd9a1ed367f6e786a338bcd497f28b9

Aliases

arxiv: 2508.01508 · arxiv_version: 2508.01508v1 · doi: 10.48550/arxiv.2508.01508 · pith_short_12: ZHJZFWIFKWML · pith_short_16: ZHJZFWIFKWML6BZX · pith_short_8: ZHJZFWIF

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/ZHJZFWIFKWML6BZXKTC2NWCFSX \
  | 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: c9d392d9055598bf073754c5a6d84595cdd9a1ed367f6e786a338bcd497f28b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50354472ac1fb3b45e1cd0dcc05cd946e1c836f96e0787ee688f9bda021ff5fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-02T22:12:15Z",
    "title_canon_sha256": "3ef8492083c56dda4a88c6b1ee2c522ba1022bf5e4b439ee1c8569a893e7cc5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.01508",
    "kind": "arxiv",
    "version": 1
  }
}