Pith Number

pith:3FQFRDKA

pith:2022:3FQFRDKAIMBSD3KURCUCSU4GOG

not attested not anchored not stored refs pending

Swift and Sure: Hardness-aware Contrastive Learning for Low-dimensional Knowledge Graph Embeddings

Kai Wang, Quan Z. Sheng, Yu Liu

arxiv:2201.00565 v2 · 2022-01-03 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FQFRDKAIMBSD3KURCUCSU4GOG}

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	2026-07-05T04:25:51.909897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d960588d40430321ed5488a8295386718d6fa2810d8bb35e4ddeef1467f94470

Aliases

arxiv: 2201.00565 · arxiv_version: 2201.00565v2 · doi: 10.48550/arxiv.2201.00565 · pith_short_12: 3FQFRDKAIMBS · pith_short_16: 3FQFRDKAIMBSD3KU · pith_short_8: 3FQFRDKA

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/3FQFRDKAIMBSD3KURCUCSU4GOG \
  | 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: d960588d40430321ed5488a8295386718d6fa2810d8bb35e4ddeef1467f94470

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89122c8b5ddece77dbae949141b81340810ea6e3e7bc97ea4393cb4c2f6e4046",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-03T10:25:10Z",
    "title_canon_sha256": "b3f834f286bab934b08bc4d29fa44d777ea1208a1074b393a3fb7e62d1823509"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00565",
    "kind": "arxiv",
    "version": 2
  }
}