Pith Number

pith:HR54QZG4

pith:2026:HR54QZG4BK7OB4LVPL3YMI3NKC

not attested not anchored not stored refs pending

When Do Foundation Models Pay Off? A Break-Even Analysis of Pretrained Time Series Forecasters

Frank Simon, Nicholas Tan Jerome

arxiv:2607.04919 v1 · 2026-07-06 · 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{HR54QZG4BK7OB4LVPL3YMI3NKC}

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	2026-07-07T02:20:12.758630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c7bc864dc0abee0f1757af786236d5081e50efb2e5ca200b2c3758f6ecb2174

Aliases

arxiv: 2607.04919 · arxiv_version: 2607.04919v1 · doi: 10.48550/arxiv.2607.04919 · pith_short_12: HR54QZG4BK7O · pith_short_16: HR54QZG4BK7OB4LV · pith_short_8: HR54QZG4

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/HR54QZG4BK7OB4LVPL3YMI3NKC \
  | 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: 3c7bc864dc0abee0f1757af786236d5081e50efb2e5ca200b2c3758f6ecb2174

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02b4b76e87249bcecc420debf766a34d3942b66d88f351aed477902bec7c073c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-06T10:48:11Z",
    "title_canon_sha256": "f8b3a219911a2b48e14b26b6aab03d2bcbccbb426fef0d3742dd982f7872a3ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04919",
    "kind": "arxiv",
    "version": 1
  }
}