Pith Number

pith:RCJX3HMF

pith:2021:RCJX3HMFGXVILXTCT4PWVVUY5V

not attested not anchored not stored refs pending

On the Surrogate Gap between Contrastive and Supervised Losses

Han Bao, Kento Nozawa, Yoshihiro Nagano

arxiv:2110.02501 v2 · 2021-10-06 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCJX3HMFGXVILXTCT4PWVVUY5V}

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	2026-07-05T04:27:07.990437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88937d9d8535ea85de629f1f6ad698ed64f8fe62825655dcdcc5431ee91a343d

Aliases

arxiv: 2110.02501 · arxiv_version: 2110.02501v2 · doi: 10.48550/arxiv.2110.02501 · pith_short_12: RCJX3HMFGXVI · pith_short_16: RCJX3HMFGXVILXTC · pith_short_8: RCJX3HMF

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/RCJX3HMFGXVILXTCT4PWVVUY5V \
  | 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: 88937d9d8535ea85de629f1f6ad698ed64f8fe62825655dcdcc5431ee91a343d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "331d460d6fb703d7a5dfffcf1613ab61f6d32079f3e67579f94c577d4928bd89",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-06T04:29:39Z",
    "title_canon_sha256": "bef37c2849968d494a905472d411feb09f3d439537207f9941b75d5a95269e4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02501",
    "kind": "arxiv",
    "version": 2
  }
}