Pith Number

pith:KY5752W6

pith:2025:KY5752W6JI4TC57CT3IWJBQGFY

not attested not anchored not stored refs pending

Some patterns of sleep quality and Daylight Saving Time across countries: a predictive and exploratory analysis

Bhanu Sharma, Eugene Pinsky

arxiv:2509.03358 v1 · 2025-09-03 · 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{KY5752W6JI4TC57CT3IWJBQGFY}

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	2026-07-05T12:04:21.129424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

563bfeeade4a393177e29ed16486062e13c897e7b03844a58aa55eae33b57146

Aliases

arxiv: 2509.03358 · arxiv_version: 2509.03358v1 · doi: 10.48550/arxiv.2509.03358 · pith_short_12: KY5752W6JI4T · pith_short_16: KY5752W6JI4TC57C · pith_short_8: KY5752W6

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/KY5752W6JI4TC57CT3IWJBQGFY \
  | 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: 563bfeeade4a393177e29ed16486062e13c897e7b03844a58aa55eae33b57146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be851850e6f3115ac7837f4d69f9a9aa7a581b88b5d151e235fe1f44636a5547",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-03T14:44:18Z",
    "title_canon_sha256": "0ded7b17e6e765929bd55eff61c0ca41ceb8bbf7343ef847289a8322900c6d60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03358",
    "kind": "arxiv",
    "version": 1
  }
}