Pith Number

pith:FEKHKBBE

pith:2025:FEKHKBBETSIT5PEYKFJKFCETMD

not attested not anchored not stored refs pending

Document Similarity Enhanced IPS Estimation for Unbiased Learning to Rank

Graham McDonald, Iadh Ounis, Zeyan Liang

arxiv:2507.07909 v1 · 2025-07-10 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEKHKBBETSIT5PEYKFJKFCETMD}

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	2026-07-05T11:35:06.954247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29147504249c913ebc985152a2889360cb1acb7bf8258bb48cedc07b77299b60

Aliases

arxiv: 2507.07909 · arxiv_version: 2507.07909v1 · doi: 10.48550/arxiv.2507.07909 · pith_short_12: FEKHKBBETSIT · pith_short_16: FEKHKBBETSIT5PEY · pith_short_8: FEKHKBBE

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/FEKHKBBETSIT5PEYKFJKFCETMD \
  | 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: 29147504249c913ebc985152a2889360cb1acb7bf8258bb48cedc07b77299b60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec55c3b613f1b3dadca94978c516f9c2e9020bb1004ec28d5fa2af472dbb0922",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-10T16:41:10Z",
    "title_canon_sha256": "c720a899a05750c1af03f5df01821e01a3adf7127e826dd3a60607627ac71586"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.07909",
    "kind": "arxiv",
    "version": 1
  }
}