Pith Number

pith:VYDBBQYS

pith:2025:VYDBBQYSR6L7J23RQMVS4NLBDN

not attested not anchored not stored refs pending

SkipTrack: A Bayesian Hierarchical Model for Self-tracked Menstrual Cycle Length and Regularity in Large Mobile Health Cohorts

Brent A. Coull, Christine L. Curry, Gowtham Asokan, Jukka-Pekka Onnela, Kayley Abrams, Luke Duttweiler, Michelle A. Williams, Russ Hauser, Shruthi Mahalingaiah, Zifan Wang

arxiv:2508.05845 v1 · 2025-08-07 · 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{VYDBBQYSR6L7J23RQMVS4NLBDN}

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	2026-07-05T11:50:44.290361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae0610c3128f97f4eb71832b2e35611b43b601ae7168dd80ed347c20737ab82b

Aliases

arxiv: 2508.05845 · arxiv_version: 2508.05845v1 · doi: 10.48550/arxiv.2508.05845 · pith_short_12: VYDBBQYSR6L7 · pith_short_16: VYDBBQYSR6L7J23R · pith_short_8: VYDBBQYS

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/VYDBBQYSR6L7J23RQMVS4NLBDN \
  | 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: ae0610c3128f97f4eb71832b2e35611b43b601ae7168dd80ed347c20737ab82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f29c997538284897a5848872403eb3c426f6511cf041cbc7363056f3a35a897a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2025-08-07T20:47:52Z",
    "title_canon_sha256": "8e2690dc4752e3268a8dfaf077447521abe8ee5bdc0b01ed14bb40ce4bd6c5e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.05845",
    "kind": "arxiv",
    "version": 1
  }
}