Pith Number

pith:N2K455XC

pith:2026:N2K455XC5V57J7POCYX34RX4GF

not attested not anchored not stored refs pending

TSFMAudit: Data Contamination Auditing in Forecasting Time Series Foundation Models

Chenghao Liu, Han Fu, Hongkai Li, Jianling Sun, Lefei Shen, Mouxiang Chen, Shifeng Xie, Xiaobin Zhang, Xiaoxue Ren, Zhuo Li

arxiv:2605.26161 v1 · 2026-05-24 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2K455XC5V57J7POCYX34RX4GF}

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	2026-05-27T00:04:26.866700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e95cef6e2ed7bf4fdee162fbe46fc316ef8e2124bef74141cc4a3c4a7bab1cc

Aliases

arxiv: 2605.26161 · arxiv_version: 2605.26161v1 · doi: 10.48550/arxiv.2605.26161 · pith_short_12: N2K455XC5V57 · pith_short_16: N2K455XC5V57J7PO · pith_short_8: N2K455XC

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/N2K455XC5V57J7POCYX34RX4GF \
  | 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: 6e95cef6e2ed7bf4fdee162fbe46fc316ef8e2124bef74141cc4a3c4a7bab1cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4073bbf6b8fbe27bdbbdd00acbd5b45c28b449364501314f514fcde7050667a5",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-24T14:59:12Z",
    "title_canon_sha256": "df151f7a869ee699141dc785a27f4412f1babbceac5436b5e4be4555e426b3f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26161",
    "kind": "arxiv",
    "version": 1
  }
}