Pith Number

pith:MSUQLBTR

pith:2026:MSUQLBTRFQF4IXXBCW4MEMQA45

not attested not anchored not stored refs pending

Quantile regression with measurement errors

Liqun Wang, Mushan Li, Yanyuan Ma

arxiv:2607.00188 v1 · 2026-06-30 · 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{MSUQLBTRFQF4IXXBCW4MEMQA45}

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	2026-07-02T00:18:38.374213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64a90586712c0bc45ee115b8c23200e7572481829417b854f230d8d4052bf5a2

Aliases

arxiv: 2607.00188 · arxiv_version: 2607.00188v1 · doi: 10.48550/arxiv.2607.00188 · pith_short_12: MSUQLBTRFQF4 · pith_short_16: MSUQLBTRFQF4IXXB · pith_short_8: MSUQLBTR

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/MSUQLBTRFQF4IXXBCW4MEMQA45 \
  | 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: 64a90586712c0bc45ee115b8c23200e7572481829417b854f230d8d4052bf5a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a179160fd6c0e543b7747c9b0ab86d9de732492d56aaa1052ee3cd57f81ab61",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-30T21:09:22Z",
    "title_canon_sha256": "feae90201f65a8d8ae863cffd756d05d86514db8f9d07785198f9dd6b510207d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00188",
    "kind": "arxiv",
    "version": 1
  }
}