Pith Number

pith:SPJU7TQ6

pith:2022:SPJU7TQ6IXBJSKATON22WIJKF4

not attested not anchored not stored refs pending

Active Learning-Based Multistage Sequential Decision-Making Model with Application on Common Bile Duct Stone Evaluation

Chuck Zhang, Hongzhen Tian, Reuven Zev Cohen, Yajun Mei

arxiv:2201.04807 v1 · 2022-01-13 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPJU7TQ6IXBJSKATON22WIJKF4}

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	2026-07-05T03:48:13.040216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d34fce1e45c29928137375ab212a2f0ad06d75d35c0069f2df4ad0707fd7c9

Aliases

arxiv: 2201.04807 · arxiv_version: 2201.04807v1 · doi: 10.48550/arxiv.2201.04807 · pith_short_12: SPJU7TQ6IXBJ · pith_short_16: SPJU7TQ6IXBJSKAT · pith_short_8: SPJU7TQ6

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/SPJU7TQ6IXBJSKATON22WIJKF4 \
  | 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: 93d34fce1e45c29928137375ab212a2f0ad06d75d35c0069f2df4ad0707fd7c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7a3ef38380e580bd1a9eb9c3a20eca9a0b61b33e18a2504b2f167714bafb20a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-01-13T06:42:12Z",
    "title_canon_sha256": "46626bae27ed23a401cd80bf21782c742b03e0f00c1adc3a2e003c9d64bb1ebf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04807",
    "kind": "arxiv",
    "version": 1
  }
}