Pith Number

pith:NF7U2NY6

pith:2015:NF7U2NY6MOYJSC75YCUUWZI4SA

not attested not anchored not stored refs pending

Efficient estimation in semivarying coefficient models for longitudinal/clustered data

Jialiang Li, Ming-Yen Cheng, Toshio Honda

arxiv:1501.00538 v3 · 2015-01-03 · 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{NF7U2NY6MOYJSC75YCUUWZI4SA}

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	2026-05-18T01:33:16.234454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

697f4d371e63b0990bfdc0a94b651c902f891c1f8ad5300ddf6f86971bbc95c8

Aliases

arxiv: 1501.00538 · arxiv_version: 1501.00538v3 · doi: 10.48550/arxiv.1501.00538 · pith_short_12: NF7U2NY6MOYJ · pith_short_16: NF7U2NY6MOYJSC75 · pith_short_8: NF7U2NY6

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/NF7U2NY6MOYJSC75YCUUWZI4SA \
  | 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: 697f4d371e63b0990bfdc0a94b651c902f891c1f8ad5300ddf6f86971bbc95c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86432e86215967ca586a0d4555a5de02a32d42390ae6474e08f567e07f56ce9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-01-03T07:30:45Z",
    "title_canon_sha256": "513cc7af79173f6b5a74e93f3a1f4fca5d9d44cb8a91cc64af30a84f0dc05785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00538",
    "kind": "arxiv",
    "version": 3
  }
}