Pith Number

pith:L6ATTXFU

pith:2025:L6ATTXFU2FFIWKO6ZI4OCSDTID

not attested not anchored not stored refs pending

Unidentified and Confounded? Understanding Two-Tower Models for Unbiased Learning to Rank (Extended Abstract)

Maarten de Rijke, Onno Zoeter, Philipp Hager

arxiv:2508.21698 v1 · 2025-08-29 · 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{L6ATTXFU2FFIWKO6ZI4OCSDTID}

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	2026-07-05T12:01:48.139113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f8139dcb4d14a8b29deca38e1487340ece0921be645df78edb2264d2cf8f616

Aliases

arxiv: 2508.21698 · arxiv_version: 2508.21698v1 · doi: 10.48550/arxiv.2508.21698 · pith_short_12: L6ATTXFU2FFI · pith_short_16: L6ATTXFU2FFIWKO6 · pith_short_8: L6ATTXFU

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/L6ATTXFU2FFIWKO6ZI4OCSDTID \
  | 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: 5f8139dcb4d14a8b29deca38e1487340ece0921be645df78edb2264d2cf8f616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb1938bf4a026ec65bac7adb6d136444c4f0c8bb824a4fc617d2fd7cc089a5fd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-08-29T15:08:10Z",
    "title_canon_sha256": "e87e07ead0cbb080d488063c6cdbb17949fb0af245e607096351d0259c5fcf18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.21698",
    "kind": "arxiv",
    "version": 1
  }
}