Pith Number

pith:7JQFRHA4

pith:2021:7JQFRHA4YTMJ44A6W3TJRBMY4G

not attested not anchored not stored refs pending

Adversarial Training for Face Recognition Systems using Contrastive Adversarial Learning and Triplet Loss Fine-tuning

Nazmul Karim, Nick Meeker, Sarinda Samarasinghe, Umar Khalid

arxiv:2110.04459 v1 · 2021-10-09 · 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{7JQFRHA4YTMJ44A6W3TJRBMY4G}

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	2026-07-05T03:21:17.367427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa60589c1cc4d89e701eb6e6988598e1ad2047ec31f01cf025a9a0c12554d0b3

Aliases

arxiv: 2110.04459 · arxiv_version: 2110.04459v1 · doi: 10.48550/arxiv.2110.04459 · pith_short_12: 7JQFRHA4YTMJ · pith_short_16: 7JQFRHA4YTMJ44A6 · pith_short_8: 7JQFRHA4

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/7JQFRHA4YTMJ44A6W3TJRBMY4G \
  | 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: fa60589c1cc4d89e701eb6e6988598e1ad2047ec31f01cf025a9a0c12554d0b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bed98a9241b523a3cfc3b3b8f85a5b75f375da9d3a22dccf12fbaede4d4f0c64",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-10-09T05:28:09Z",
    "title_canon_sha256": "be657d0ae65d0fc73229c2afad215ec7fcb70c1bc4c9266a544e7b2b6fa6f524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.04459",
    "kind": "arxiv",
    "version": 1
  }
}