Pith Number

pith:ZATFZXMR

pith:2022:ZATFZXMRAU22E6HZNGQHC2SCCZ

not attested not anchored not stored refs pending

Learning to Rank with Small Set of Ground Truth Data

Jiashu Wu

arxiv:2207.01188 v2 · 2022-07-04 · cs.IR · cs.AI · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZATFZXMRAU22E6HZNGQHC2SCCZ}

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	2026-07-05T04:50:18.640756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8265cdd910535a278f969a0716a42167d95549ed65030cd9717b6a643059fa4

Aliases

arxiv: 2207.01188 · arxiv_version: 2207.01188v2 · doi: 10.48550/arxiv.2207.01188 · pith_short_12: ZATFZXMRAU22 · pith_short_16: ZATFZXMRAU22E6HZ · pith_short_8: ZATFZXMR

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/ZATFZXMRAU22E6HZNGQHC2SCCZ \
  | 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: c8265cdd910535a278f969a0716a42167d95549ed65030cd9717b6a643059fa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76822abda9ae430817a5e6d805c6a56196b5f849edf59de705e362e53320f7a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DB"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-07-04T04:09:28Z",
    "title_canon_sha256": "fc3d366541f4de898b9acf727b09a6f502b7f78a20cc0cf6a584f776ea607e52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.01188",
    "kind": "arxiv",
    "version": 2
  }
}