Pith Number

pith:M5A7GMRA

pith:2022:M5A7GMRAYCXNRAUJAI2OZ7T64V

not attested not anchored not stored refs pending

Learning to Rank For Push Notifications Using Pairwise Expected Regret

Haofeng Jia, Huasen Wu, Jonathan J Hunt, Shaodan Zhai, Wenzhe Shi, Yuanpu Xie, Yuguang Yue

arxiv:2201.07681 v1 · 2022-01-19 · cs.IR · 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{M5A7GMRAYCXNRAUJAI2OZ7T64V}

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	2026-07-05T03:49:49.454920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6741f33220c0aed882890234ecfe7ee57aefc3e7bf122697dcff117a6053de22

Aliases

arxiv: 2201.07681 · arxiv_version: 2201.07681v1 · doi: 10.48550/arxiv.2201.07681 · pith_short_12: M5A7GMRAYCXN · pith_short_16: M5A7GMRAYCXNRAUJ · pith_short_8: M5A7GMRA

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/M5A7GMRAYCXNRAUJAI2OZ7T64V \
  | 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: 6741f33220c0aed882890234ecfe7ee57aefc3e7bf122697dcff117a6053de22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77172f1d25daf5d09ef392fd3cfae6ddd08ec8af7435ba0340d1ef866f9752ec",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-01-19T16:12:25Z",
    "title_canon_sha256": "f8142f3e7ba8784260cd7396539f2439df45b00a29fe3f62563a51a27e452764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07681",
    "kind": "arxiv",
    "version": 1
  }
}