Pith Number

pith:F4LHOEQ6

pith:2021:F4LHOEQ6K5L7IHAUDBAOPJOSU5

not attested not anchored not stored refs pending

Not All Negatives are Equal: Label-Aware Contrastive Loss for Fine-grained Text Classification

Desmond C. Ong, Varsha Suresh

arxiv:2109.05427 v1 · 2021-09-12 · cs.CL · 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{F4LHOEQ6K5L7IHAUDBAOPJOSU5}

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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.

Cited by

1 paper in Pith

CLASS: Contrastive Learning via Action Sequence Supervision for Robot Manipulation

Receipt and verification

First computed	2026-07-05T03:13:38.830691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1677121e5757f41c141840e7a5d2a754b86e3e3edc51bbcf962807e78da580

Aliases

arxiv: 2109.05427 · arxiv_version: 2109.05427v1 · doi: 10.48550/arxiv.2109.05427 · pith_short_12: F4LHOEQ6K5L7 · pith_short_16: F4LHOEQ6K5L7IHAU · pith_short_8: F4LHOEQ6

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/F4LHOEQ6K5L7IHAUDBAOPJOSU5 \
  | 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: 2f1677121e5757f41c141840e7a5d2a754b86e3e3edc51bbcf962807e78da580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ed89f59211e5cbe22bf4ac13daffcf9f06feb723a8a5b916085926d353bad7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-12T04:19:17Z",
    "title_canon_sha256": "0003e76f56ceef2ced0248b77020953512ebe131d7b156a22a4d729ea5b62893"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05427",
    "kind": "arxiv",
    "version": 1
  }
}