Pith Number

pith:DAMKNMON

pith:2026:DAMKNMONWDHTL62XLZ5SJ2EMRN

not attested not anchored not stored refs pending

How Early Is Early Enough? Design-Dependent Observation-Window Sufficiency in Subscription Churn Prediction

Chenyu Wu, Tongchen Zhang, Xiao Han, Yao Xiao

arxiv:2607.00473 v1 · 2026-07-01 · 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{DAMKNMONWDHTL62XLZ5SJ2EMRN}

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	2026-07-02T01:17:44.423494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1818a6b1cdb0cf35fb575e7b24e88c8b64bfd18c59092819705930b32ea251a8

Aliases

arxiv: 2607.00473 · arxiv_version: 2607.00473v1 · doi: 10.48550/arxiv.2607.00473 · pith_short_12: DAMKNMONWDHT · pith_short_16: DAMKNMONWDHTL62X · pith_short_8: DAMKNMON

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/DAMKNMONWDHTL62XLZ5SJ2EMRN \
  | 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: 1818a6b1cdb0cf35fb575e7b24e88c8b64bfd18c59092819705930b32ea251a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4519834db1f91baefb8496b9070c6ef2f448ec73929bba9be1a9f0f644538760",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-01T05:47:38Z",
    "title_canon_sha256": "fe688e7f1ab3bc899aeeb96dfd1b223db5db7d5fed8266144ffe3f1c5af6cb20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00473",
    "kind": "arxiv",
    "version": 1
  }
}