Pith Number

pith:7UNT4P7K

pith:2024:7UNT4P7KWEPMTYGRLTWQJCWFTM

not attested not anchored not stored refs pending

Improved Estimation of Ranks for Learning Item Recommenders with Negative Sampling

Anushya Subbiah, Steffen Rendle, Vikram Aggarwal

arxiv:2410.06371 v2 · 2024-10-08 · 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{7UNT4P7KWEPMTYGRLTWQJCWFTM}

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	2026-07-05T09:18:54.113299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd1b3e3feab11ec9e0d15ced048ac59b1bb11e0d2b84416166e8248a7aff01e8

Aliases

arxiv: 2410.06371 · arxiv_version: 2410.06371v2 · doi: 10.48550/arxiv.2410.06371 · pith_short_12: 7UNT4P7KWEPM · pith_short_16: 7UNT4P7KWEPMTYGR · pith_short_8: 7UNT4P7K

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/7UNT4P7KWEPMTYGRLTWQJCWFTM \
  | 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: fd1b3e3feab11ec9e0d15ced048ac59b1bb11e0d2b84416166e8248a7aff01e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e3517208bc931ed426565d5fd1e28e63d0ef2a4bd92cf1cf7d36370205805c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-10-08T21:09:55Z",
    "title_canon_sha256": "74474b7f4e7e59bbc01aaf893b97b8a09869321a80b416bce1970c6568212807"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.06371",
    "kind": "arxiv",
    "version": 2
  }
}