Pith Number

pith:375IH2QU

pith:2019:375IH2QUHHB6H4ECUEETCQZXEZ

not attested not anchored not stored refs pending

Hard-Mining Loss based Convolutional Neural Network for Face Recognition

Shiv Ram Dubey, Vaishnav Murali, Yash Srivastava

arxiv:1908.09747 v2 · 2019-08-09 · cs.CV · 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{375IH2QUHHB6H4ECUEETCQZXEZ}

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	2026-07-05T02:01:27.998113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dffa83ea1439c3e3f082a1093143372677d53682be4f9659b5bb18d486dda0bf

Aliases

arxiv: 1908.09747 · arxiv_version: 1908.09747v2 · doi: 10.48550/arxiv.1908.09747 · pith_short_12: 375IH2QUHHB6 · pith_short_16: 375IH2QUHHB6H4EC · pith_short_8: 375IH2QU

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/375IH2QUHHB6H4ECUEETCQZXEZ \
  | 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: dffa83ea1439c3e3f082a1093143372677d53682be4f9659b5bb18d486dda0bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc43839cc1cb90da595b657671bf72735b1460b0d86a99e0baba408bb88b5366",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-09T06:55:45Z",
    "title_canon_sha256": "1224e95b098d20531e5b84e4b248956690b9d1705e3897fe7cbf7f6161412f24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09747",
    "kind": "arxiv",
    "version": 2
  }
}