Pith Number

pith:4HA7MDRV

pith:2021:4HA7MDRV2PP3PJPMQVBZCNNC6L

not attested not anchored not stored refs pending

NeuralNDCG: Direct Optimisation of a Ranking Metric via Differentiable Relaxation of Sorting

Przemys{\l}aw Pobrotyn, Rados{\l}aw Bia{\l}obrzeski

arxiv:2102.07831 v2 · 2021-02-15 · 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{4HA7MDRV2PP3PJPMQVBZCNNC6L}

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.

Cited by

1 paper in Pith

Gradient-Boosted Decision Tree for Listwise Context Model in Multimodal Review Helpfulness Prediction

Receipt and verification

First computed	2026-07-05T02:42:14.362355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1c1f60e35d3dfb7a5ec85439135a2f2de5f7f5862cea9b92cd5267a7a996301

Aliases

arxiv: 2102.07831 · arxiv_version: 2102.07831v2 · doi: 10.48550/arxiv.2102.07831 · pith_short_12: 4HA7MDRV2PP3 · pith_short_16: 4HA7MDRV2PP3PJPM · pith_short_8: 4HA7MDRV

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/4HA7MDRV2PP3PJPMQVBZCNNC6L \
  | 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: e1c1f60e35d3dfb7a5ec85439135a2f2de5f7f5862cea9b92cd5267a7a996301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90cabb8b8bc4594a069975ac3fb531934a4a9fc07a4b471d8428e08293a21ebc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-02-15T20:11:42Z",
    "title_canon_sha256": "c2551d8b463b84a6fa58729a1058b6053187cdae5704cf139a525bd82c2a6f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.07831",
    "kind": "arxiv",
    "version": 2
  }
}