Pith Number

pith:OATGQRTT

pith:2026:OATGQRTTDMG5P7DONQ5NAUO7M7

not attested not anchored not stored refs pending

Longitudinal Random Forests for Sparse and Irregular Response Trajectories

Guifang Fu, Haoda Fu, Xiaotian Dai, Yangsheng Wang

arxiv:2607.21817 v1 · 2026-07-23 · stat.ME · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OATGQRTTDMG5P7DONQ5NAUO7M7}

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	2026-07-27T00:20:22.523804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70266846731b0dd7fc6e6c3ad051df67cf657f34782257125772d9ec4e583b44

Aliases

arxiv: 2607.21817 · arxiv_version: 2607.21817v1 · doi: 10.48550/arxiv.2607.21817 · pith_short_12: OATGQRTTDMG5 · pith_short_16: OATGQRTTDMG5P7DO · pith_short_8: OATGQRTT

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/OATGQRTTDMG5P7DONQ5NAUO7M7 \
  | 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: 70266846731b0dd7fc6e6c3ad051df67cf657f34782257125772d9ec4e583b44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61ca9126c5991605b121b8798de1f3b7e1c163e42846f8069795aeb4fd84a83e",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-07-23T21:08:07Z",
    "title_canon_sha256": "19cfd4e7569955d10bb03d935c1d48cf7b441dd02373e9706d1f1141015ed3f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21817",
    "kind": "arxiv",
    "version": 1
  }
}