Pith Number

pith:5PCY2EMF

pith:2022:5PCY2EMFBT47AA5SSUPEJFK25C

not attested not anchored not stored refs pending

Contrastive Neighborhood Alignment

Luis Goncalves, Pengkai Zhu, Stefano Soatto, Vijay Mahadevan, Yuanjun Xiong, Zhaowei Cai, Zhuowen Tu

arxiv:2201.01922 v1 · 2022-01-06 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PCY2EMFBT47AA5SSUPEJFK25C}

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	2026-07-05T03:46:28.049585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebc58d11850cf9f003b2951e44955ae8a845ffaa53e3fc5e04dc74f3c6ad8722

Aliases

arxiv: 2201.01922 · arxiv_version: 2201.01922v1 · doi: 10.48550/arxiv.2201.01922 · pith_short_12: 5PCY2EMFBT47 · pith_short_16: 5PCY2EMFBT47AA5S · pith_short_8: 5PCY2EMF

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/5PCY2EMFBT47AA5SSUPEJFK25C \
  | 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: ebc58d11850cf9f003b2951e44955ae8a845ffaa53e3fc5e04dc74f3c6ad8722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba41d01d9c1b6ea1fbd31104fe3b2843f4fd013a1e37c48260774d4e6a19ff10",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-06T04:58:31Z",
    "title_canon_sha256": "8c7ff3fa9c6c6e1316c120b88f8b33745f70bdd093408c925615364cdf2bc263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.01922",
    "kind": "arxiv",
    "version": 1
  }
}