Pith Number

pith:3I3DCM2E

pith:2023:3I3DCM2E5GAVAC6XL3ZGWDNVKK

not attested not anchored not stored refs pending

Hybrid Contrastive Constraints for Multi-Scenario Ad Ranking

Bo Zheng, Liang Wang, Penghui Wei, Shanlei Mu, Shaoguo Liu, Wayne Xin Zhao

arxiv:2302.02636 v1 · 2023-02-06 · 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{3I3DCM2E5GAVAC6XL3ZGWDNVKK}

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	2026-07-05T05:39:05.322425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da36313344e981500bd75ef26b0db552a408968f8b25fd02a71ffd3d11eccccf

Aliases

arxiv: 2302.02636 · arxiv_version: 2302.02636v1 · doi: 10.48550/arxiv.2302.02636 · pith_short_12: 3I3DCM2E5GAV · pith_short_16: 3I3DCM2E5GAVAC6X · pith_short_8: 3I3DCM2E

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/3I3DCM2E5GAVAC6XL3ZGWDNVKK \
  | 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: da36313344e981500bd75ef26b0db552a408968f8b25fd02a71ffd3d11eccccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06185d65fffc837199b9729c1aeff720d0068386a4cb4d8576a1170512e01a28",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-02-06T09:15:39Z",
    "title_canon_sha256": "6adf5c592017b693cccba3feaa09277cdac58fada8daa3e2e5a911c67ae80ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.02636",
    "kind": "arxiv",
    "version": 1
  }
}