Pith Number

pith:XDRP33CP

pith:2020:XDRP33CPETGAN5T37E7ISQDRT4

not attested not anchored not stored refs pending

xCos: An Explainable Cosine Metric for Face Verification Task

Winston H. Hsu, Ya-Liang Chang, Yu-An Chen, Yu-Sheng Lin, Yu-Siang Wang, Zhe-Yu Liu

arxiv:2003.05383 v3 · 2020-03-11 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDRP33CPETGAN5T37E7ISQDRT4}

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	2026-07-05T02:58:03.530433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8e2fdec4f24cc06f67bf93e8940719f29498bc6d55db92d778141c2da529482

Aliases

arxiv: 2003.05383 · arxiv_version: 2003.05383v3 · doi: 10.48550/arxiv.2003.05383 · pith_short_12: XDRP33CPETGA · pith_short_16: XDRP33CPETGAN5T3 · pith_short_8: XDRP33CP

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/XDRP33CPETGAN5T37E7ISQDRT4 \
  | 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: b8e2fdec4f24cc06f67bf93e8940719f29498bc6d55db92d778141c2da529482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2751913fe06c363610a4558bc89415f5321e32cc32bd78760ed4d9d4e0f139f6",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-11T16:03:44Z",
    "title_canon_sha256": "6327eb0858f09487bed105a6ea59a05adb7112ec224c47d716bb1b079661ae0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.05383",
    "kind": "arxiv",
    "version": 3
  }
}