Pith Number

pith:OPCVJNQ3

pith:2024:OPCVJNQ3JDPIMOQMAGZBTFYCZX

not attested not anchored not stored refs pending

CLHA: A Simple yet Effective Contrastive Learning Framework for Human Alignment

Chengming Li, Feiteng Fang, Jinchang Hou, Liang Zhu, Min Yang, Qixuan Zhao, Ruifeng Xu, Xi Feng, Xiping Hu

arxiv:2403.16649 v2 · 2024-03-25 · 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{OPCVJNQ3JDPIMOQMAGZBTFYCZX}

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	2026-07-05T08:00:43.671418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c554b61b48de863a0c01b2199702cdd72a8b18875c7f47a42bcf67281bf720

Aliases

arxiv: 2403.16649 · arxiv_version: 2403.16649v2 · doi: 10.48550/arxiv.2403.16649 · pith_short_12: OPCVJNQ3JDPI · pith_short_16: OPCVJNQ3JDPIMOQM · pith_short_8: OPCVJNQ3

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/OPCVJNQ3JDPIMOQMAGZBTFYCZX \
  | 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: 73c554b61b48de863a0c01b2199702cdd72a8b18875c7f47a42bcf67281bf720

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d037f95ad8c4991a1b7d0af6299da3467b4273e1c182a524b1ac013ac98e8463",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2024-03-25T11:37:15Z",
    "title_canon_sha256": "6441c32c1f832d3008c2061b391039d7e5c96e30666c29e507aa64d7f94a689a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.16649",
    "kind": "arxiv",
    "version": 2
  }
}