Pith Number

pith:PHKDX2JR

pith:2026:PHKDX2JR4WDAGWJ3NESV4FSST4

not attested not anchored not stored refs pending

When Should Forecasting Models Be Re-Specified? A Cost-Sensitive Trigger for Adaptive Model-Form Updating

Harrison Katz

arxiv:2606.06670 v1 · 2026-06-04 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHKDX2JR4WDAGWJ3NESV4FSST4}

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	2026-06-08T01:04:21.700436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79d43be931e58603593b69255e16529f12e2f36ebee7e244c5a8650d84cd37c9

Aliases

arxiv: 2606.06670 · arxiv_version: 2606.06670v1 · doi: 10.48550/arxiv.2606.06670 · pith_short_12: PHKDX2JR4WDA · pith_short_16: PHKDX2JR4WDAGWJ3 · pith_short_8: PHKDX2JR

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/PHKDX2JR4WDAGWJ3NESV4FSST4 \
  | 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: 79d43be931e58603593b69255e16529f12e2f36ebee7e244c5a8650d84cd37c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fecdc354f34167a1186d046f26d330f754b4c18df4289eba175bcad46ecb0e1f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2026-06-04T19:43:13Z",
    "title_canon_sha256": "70ed28f066b6551e5f56f10d5d0cc8feef8c2e23515c9b202cff1d7a191b7309"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06670",
    "kind": "arxiv",
    "version": 1
  }
}