Pith Number

pith:XLKZVF36

pith:2021:XLKZVF36ACKCEFCPVCRDQR4O3Y

not attested not anchored not stored refs pending

Supervised Off-Policy Ranking

Houqiang Li, Jian Yuan, Tao Qin, Tie-Yan Liu, Xudong Zhang, Yue Jin, Yue Zhang

arxiv:2107.01360 v2 · 2021-07-03 · 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{XLKZVF36ACKCEFCPVCRDQR4O3Y}

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	2026-07-05T04:32:50.418779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bad59a977e009422144fa8a238478ede1ee723578be28fac9d3edbda800b36b4

Aliases

arxiv: 2107.01360 · arxiv_version: 2107.01360v2 · doi: 10.48550/arxiv.2107.01360 · pith_short_12: XLKZVF36ACKC · pith_short_16: XLKZVF36ACKCEFCP · pith_short_8: XLKZVF36

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/XLKZVF36ACKCEFCPVCRDQR4O3Y \
  | 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: bad59a977e009422144fa8a238478ede1ee723578be28fac9d3edbda800b36b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b6e6054432e18e0a2b011fc0232c7cab88e34a94935c3865996c28cdb8eeddf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-03T07:01:23Z",
    "title_canon_sha256": "d10439e8118bec8d305fe66a6bc73b74325a3d2da9a74f93ed7c54eff1706241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.01360",
    "kind": "arxiv",
    "version": 2
  }
}