Pith Number

pith:3WNZ2FLA

pith:2017:3WNZ2FLANBKL3N7UGIAC5TECZV

not attested not anchored not stored refs pending

Unsupervised Learning of Parsimonious General-Purpose Embeddings for User and Location Modelling

Carsten Eickhoff, Jing Yang

arxiv:1704.03507 v2 · 2017-04-11 · 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{3WNZ2FLANBKL3N7UGIAC5TECZV}

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	2026-05-18T00:25:23.823615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd9b9d15606854bdb7f432002ecc82cd403055d6ca45d7bbc7c0e2b7d1adadde

Aliases

arxiv: 1704.03507 · arxiv_version: 1704.03507v2 · doi: 10.48550/arxiv.1704.03507 · pith_short_12: 3WNZ2FLANBKL · pith_short_16: 3WNZ2FLANBKL3N7U · pith_short_8: 3WNZ2FLA

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/3WNZ2FLANBKL3N7UGIAC5TECZV \
  | 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: dd9b9d15606854bdb7f432002ecc82cd403055d6ca45d7bbc7c0e2b7d1adadde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f9d1cb8aee28aa2c53ec3b63e9fb2f57196d269a0a4a255425ce3db1e13dfbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-04-11T19:35:13Z",
    "title_canon_sha256": "5a6be0ec1d5a20d82168b45ee32e379b74c5371d7c7937ae703bd6e733232e3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03507",
    "kind": "arxiv",
    "version": 2
  }
}