Pith Number

pith:3CZERF6M

pith:2024:3CZERF6MYSVNOIAIFMHYL57NH2

not attested not anchored not stored refs pending

Data Augmentation and Transfer Learning Approaches Applied to Facial Expressions Recognition

Claudio Sacca', Enrico Randellini, Leonardo Rigutini

arxiv:2402.09982 v1 · 2024-02-15 · cs.CV · cs.AI · 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{3CZERF6MYSVNOIAIFMHYL57NH2}

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	2026-07-05T07:45:39.795546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8b24897ccc4aad720082b0f85f7ed3eb2910165f6f65f6056d3fd5979ea936f

Aliases

arxiv: 2402.09982 · arxiv_version: 2402.09982v1 · doi: 10.48550/arxiv.2402.09982 · pith_short_12: 3CZERF6MYSVN · pith_short_16: 3CZERF6MYSVNOIAI · pith_short_8: 3CZERF6M

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/3CZERF6MYSVNOIAIFMHYL57NH2 \
  | 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: d8b24897ccc4aad720082b0f85f7ed3eb2910165f6f65f6056d3fd5979ea936f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b46af87193a5617f448be206eeb0b54bb163dec8a3c4e47fa76d235e1592bbce",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-02-15T14:46:03Z",
    "title_canon_sha256": "538c74a1ae8c7dec5e96e0304a63ee84bc5a8612d2751e90c971fddffe8e6f33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.09982",
    "kind": "arxiv",
    "version": 1
  }
}