Pith Number

pith:TDP4YYST

pith:2025:TDP4YYST54IKZPCCYQFVRHWZ77

not attested not anchored not stored refs pending

Active Learning via Heteroskedastic Rational Kriging

Shangkun Wang, V. Roshan Joseph

arxiv:2507.10952 v1 · 2025-07-15 · stat.ME · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDP4YYST54IKZPCCYQFVRHWZ77}

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	2026-07-05T11:37:29.186427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98dfcc6253ef10acbc42c40b589ed9fff4759fafb01c5dcd570e330be8d2add6

Aliases

arxiv: 2507.10952 · arxiv_version: 2507.10952v1 · doi: 10.48550/arxiv.2507.10952 · pith_short_12: TDP4YYST54IK · pith_short_16: TDP4YYST54IKZPCC · pith_short_8: TDP4YYST

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/TDP4YYST54IKZPCCYQFVRHWZ77 \
  | 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: 98dfcc6253ef10acbc42c40b589ed9fff4759fafb01c5dcd570e330be8d2add6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "981692abd5cc91b8eafa7795961a26e0eb94772515dc156246229b691112dddc",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-07-15T03:32:13Z",
    "title_canon_sha256": "469144b7e90f132c95571173de33eb5740a87709240268903c8efb221d621ed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.10952",
    "kind": "arxiv",
    "version": 1
  }
}