Pith Number

pith:E3MWNAVO

pith:2013:E3MWNAVOWIPYQYWGGEUE6OOXWN

not attested not anchored not stored refs pending

Introducing LETOR 4.0 Datasets

Tao Qin, Tie-Yan Liu

arxiv:1306.2597 v1 · 2013-06-09 · 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{E3MWNAVOWIPYQYWGGEUE6OOXWN}

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

Metric-agnostic Learning-to-Rank via Boosting and Rank Approximation

Receipt and verification

First computed	2026-05-18T03:21:11.069946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26d96682aeb21f8862c631284f39d7b3749d4dba2d4b191b385ef3d8b1c2d50d

Aliases

arxiv: 1306.2597 · arxiv_version: 1306.2597v1 · doi: 10.48550/arxiv.1306.2597 · pith_short_12: E3MWNAVOWIPY · pith_short_16: E3MWNAVOWIPYQYWG · pith_short_8: E3MWNAVO

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/E3MWNAVOWIPYQYWGGEUE6OOXWN \
  | 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: 26d96682aeb21f8862c631284f39d7b3749d4dba2d4b191b385ef3d8b1c2d50d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f81d8bfb4d969cb6b3bf117246aab42b19e77f116546866cbb38ac7df37a4ea9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-06-09T09:58:00Z",
    "title_canon_sha256": "937710ac37711f6602d18fed275ca12c6a2b560bd555f2da97dac720e60151d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2597",
    "kind": "arxiv",
    "version": 1
  }
}