Pith Number

pith:WB3PRWYC

pith:2017:WB3PRWYCLGADBDBK4PLN6FRE6Q

not attested not anchored not stored refs pending

Neural Vector Spaces for Unsupervised Information Retrieval

Christophe Van Gysel, Evangelos Kanoulas, Maarten de Rijke

arxiv:1708.02702 v4 · 2017-08-09 · cs.IR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WB3PRWYCLGADBDBK4PLN6FRE6Q}

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	2026-05-18T00:07:50.645114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b076f8db025980308c2ae3d6df1624f425468df0c23eba63c791de7687ca10fb

Aliases

arxiv: 1708.02702 · arxiv_version: 1708.02702v4 · doi: 10.48550/arxiv.1708.02702 · pith_short_12: WB3PRWYCLGAD · pith_short_16: WB3PRWYCLGADBDBK · pith_short_8: WB3PRWYC

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/WB3PRWYCLGADBDBK4PLN6FRE6Q \
  | 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: b076f8db025980308c2ae3d6df1624f425468df0c23eba63c791de7687ca10fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf4b5b6b9d9668c0810bb526cddc56acbec7ef36e94d9188d530fd9a02f6d3b5",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-08-09T03:21:20Z",
    "title_canon_sha256": "f40084025650be1f3b575cefa3b5cd5a5bfced58bb3a7383b4df020492457011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02702",
    "kind": "arxiv",
    "version": 4
  }
}