Pith Number

pith:HTOBHVIG

pith:2021:HTOBHVIGORMJWDQ6K4NGXYHV3A

not attested not anchored not stored refs pending

Learning Contrastive Representation for Semantic Correspondence

Jan Kautz, Ming-Hsuan Yang, Shalini De Mello, Sifei Liu, Taihong Xiao, Zhiding Yu

arxiv:2109.10967 v2 · 2021-09-22 · 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{HTOBHVIGORMJWDQ6K4NGXYHV3A}

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	2026-07-05T04:03:27.289628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cdc13d50674589b0e1e571a6be0f5d80ae882ccfa46fe97b6d15ea501a88166

Aliases

arxiv: 2109.10967 · arxiv_version: 2109.10967v2 · doi: 10.48550/arxiv.2109.10967 · pith_short_12: HTOBHVIGORMJ · pith_short_16: HTOBHVIGORMJWDQ6 · pith_short_8: HTOBHVIG

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/HTOBHVIGORMJWDQ6K4NGXYHV3A \
  | 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: 3cdc13d50674589b0e1e571a6be0f5d80ae882ccfa46fe97b6d15ea501a88166

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90765f7b4da3a689b0660b3e48219eaa15fbee80bcb55993e54f2f5f92dfb9dc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-22T18:34:14Z",
    "title_canon_sha256": "2be2225d6b27e534d134d90727c5daf834161232852b7a23e1ebd5858ecccd16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10967",
    "kind": "arxiv",
    "version": 2
  }
}