Pith Number

pith:XJ3VNWSO

pith:2020:XJ3VNWSOJRVPOFBKH3RAVM46VK

not attested not anchored not stored refs pending

BERT Goes Shopping: Comparing Distributional Models for Product Representations

Bingqing Yu, Federico Bianchi, Jacopo Tagliabue

arxiv:2012.09807 v2 · 2020-12-17 · cs.CL · 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{XJ3VNWSOJRVPOFBKH3RAVM46VK}

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	2026-07-05T02:51:38.021357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba7756da4e4c6af7142a3ee20ab39eaa8a6f8a8d8d2dd346a0594907b74e7a1a

Aliases

arxiv: 2012.09807 · arxiv_version: 2012.09807v2 · doi: 10.48550/arxiv.2012.09807 · pith_short_12: XJ3VNWSOJRVP · pith_short_16: XJ3VNWSOJRVPOFBK · pith_short_8: XJ3VNWSO

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/XJ3VNWSOJRVPOFBKH3RAVM46VK \
  | 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: ba7756da4e4c6af7142a3ee20ab39eaa8a6f8a8d8d2dd346a0594907b74e7a1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d17c9fd13e9dcfffce423e0b5bf1651cb6e1be7bc4b2248ea5a419b43fe3811",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-12-17T18:18:03Z",
    "title_canon_sha256": "7cd90f3cccf30ec177238bd9ecdbd8790ab376e2989176d11841d9659b686b5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09807",
    "kind": "arxiv",
    "version": 2
  }
}