Pith Number

pith:SH3PA7KV

pith:2022:SH3PA7KVA356TP72HHBSD3BI6Z

not attested not anchored not stored refs pending

On the identifiability of mixtures of ranking models

Po-Ling Loh, Xiaomin Zhang, Xucheng Zhang, Yingyu Liang

arxiv:2201.13132 v2 · 2022-01-31 · cs.LG · math.AG · stat.ML

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\usepackage{pith}
\pithnumber{SH3PA7KVA356TP72HHBSD3BI6Z}

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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.

Cited by

1 paper in Pith

Distortion of AI Alignment: Does Preference Optimization Optimize for Preferences?

Receipt and verification

First computed	2026-07-05T04:25:54.212049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91f6f07d5506fbe9bffa39c321ec28f659ed13ba8942eebf84ea644fef619112

Aliases

arxiv: 2201.13132 · arxiv_version: 2201.13132v2 · doi: 10.48550/arxiv.2201.13132 · pith_short_12: SH3PA7KVA356 · pith_short_16: SH3PA7KVA356TP72 · pith_short_8: SH3PA7KV

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/SH3PA7KVA356TP72HHBSD3BI6Z \
  | 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: 91f6f07d5506fbe9bffa39c321ec28f659ed13ba8942eebf84ea644fef619112

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba0d54e26ac4b66c19c76315b1aaa4974db1540ecfef701da138ddee4c604430",
    "cross_cats_sorted": [
      "math.AG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-31T11:23:31Z",
    "title_canon_sha256": "e8ac69caeb8edb92e801eca05d7247388462dcd562e95d1ede8b0bc96cefd831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13132",
    "kind": "arxiv",
    "version": 2
  }
}