Pith Number

pith:CP6LDT4L

pith:2012:CP6LDT4LI3PLTIXX7YMWYRN52R

not attested not anchored not stored refs pending

Learning to Rank Query Recommendations by Semantic Similarities

Georges Dupret, Ricardo Baeza-Yates, Sumio Fujita

arxiv:1204.2712 v1 · 2012-04-12 · cs.AI · cs.HC · 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{CP6LDT4LI3PLTIXX7YMWYRN52R}

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	2026-05-18T03:58:03.688245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13fcb1cf8b46deb9a2f7fe196c45bdd469c864ac36d187443c79a7b3c5d4318c

Aliases

arxiv: 1204.2712 · arxiv_version: 1204.2712v1 · doi: 10.48550/arxiv.1204.2712 · pith_short_12: CP6LDT4LI3PL · pith_short_16: CP6LDT4LI3PLTIXX · pith_short_8: CP6LDT4L

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/CP6LDT4LI3PLTIXX7YMWYRN52R \
  | 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: 13fcb1cf8b46deb9a2f7fe196c45bdd469c864ac36d187443c79a7b3c5d4318c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ae1dba50f30960864c3ebc6aa75cb382a7141dda6cc8d562fb10ab95baf2647",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-04-12T13:15:43Z",
    "title_canon_sha256": "a12bd7cda680f764de0e83c9e7e940270bbc269660c9913f043f9a97e6bcbd22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2712",
    "kind": "arxiv",
    "version": 1
  }
}