Pith Number

pith:LX5VGXRS

pith:2019:LX5VGXRSJ55ZM4FFJUYEB3X73M

not attested not anchored not stored refs pending

Spectrum-enhanced Pairwise Learning to Rank

Wenhui Yu, Zheng Qin

arxiv:1905.00805 v1 · 2019-05-02 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LX5VGXRSJ55ZM4FFJUYEB3X73M}

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	2026-05-17T23:47:09.227729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dfb535e324f7b9670a54d3040eeffdb0d9e503cd9d525309e2cd0531755bd8e

Aliases

arxiv: 1905.00805 · arxiv_version: 1905.00805v1 · doi: 10.48550/arxiv.1905.00805 · pith_short_12: LX5VGXRSJ55Z · pith_short_16: LX5VGXRSJ55ZM4FF · pith_short_8: LX5VGXRS

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/LX5VGXRSJ55ZM4FFJUYEB3X73M \
  | 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: 5dfb535e324f7b9670a54d3040eeffdb0d9e503cd9d525309e2cd0531755bd8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c0b8bcdeb89bc4f4ebb827b7cde5ad16cab18e0e122f6322a44bdaf3c8ab654",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-05-02T15:25:56Z",
    "title_canon_sha256": "3ea049aaaa4cec6c42ab636675b79048f46de0cd040b8ea0033e546d8461f0a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00805",
    "kind": "arxiv",
    "version": 1
  }
}