Pith Number

pith:LWMCX4W3

pith:2026:LWMCX4W325ZJWFOLIARVEI7HKZ

not attested not anchored not stored refs pending

Seeing Below the Limit of Detection: A Censored-Poisson Bayesian Latent-Growth Change-Point Detector (the Span Detector) for Serial ctDNA in HR+/HER2- Metastatic Breast Cancer

Aarchi Singh Thakur, Abhijoy Sarkar

arxiv:2606.11876 v1 · 2026-06-10 · q-bio.QM · cs.LG · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWMCX4W325ZJWFOLIARVEI7HKZ}

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	2026-06-11T01:10:13.307238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d982bf2dbd7729b15cb40235223e75678e8d1a51b5c4aab0c068230a38eeb15

Aliases

arxiv: 2606.11876 · arxiv_version: 2606.11876v1 · doi: 10.48550/arxiv.2606.11876 · pith_short_12: LWMCX4W325ZJ · pith_short_16: LWMCX4W325ZJWFOL · pith_short_8: LWMCX4W3

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/LWMCX4W325ZJWFOLIARVEI7HKZ \
  | 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: 5d982bf2dbd7729b15cb40235223e75678e8d1a51b5c4aab0c068230a38eeb15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0efe19a1064275be87bba50ad79298fb30e1985f011b3b6f65bb0b253b4b521e",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2026-06-10T09:59:13Z",
    "title_canon_sha256": "01ccaa29dd606cafb9355daf36dcccb47b09cffa2282f648ac0c6585ae19d887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11876",
    "kind": "arxiv",
    "version": 1
  }
}