Pith Number

pith:COM654S6

pith:2021:COM654S67GTNK6J2W2N6IETYY4

not attested not anchored not stored refs pending

PoseFace: Pose-Invariant Features and Pose-Adaptive Loss for Face Recognition

Chenxu Zhao, Feng Zhou, Qiang Meng, Xiaobo Wang, Xiaqing Xu, Yang Qian, Yunxiao Qin, Zezheng Wang, Zhen Lei

arxiv:2107.11721 v1 · 2021-07-25 · 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{COM654S67GTNK6J2W2N6IETYY4}

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	2026-07-05T03:00:36.679365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1399eef25ef9a6d5793ab69be41278c718a5e8732d981a33d6295ef98346f79a

Aliases

arxiv: 2107.11721 · arxiv_version: 2107.11721v1 · doi: 10.48550/arxiv.2107.11721 · pith_short_12: COM654S67GTN · pith_short_16: COM654S67GTNK6J2 · pith_short_8: COM654S6

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/COM654S67GTNK6J2W2N6IETYY4 \
  | 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: 1399eef25ef9a6d5793ab69be41278c718a5e8732d981a33d6295ef98346f79a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d2774417bd342b89e58d77a65f357b56011d2f9bde16df70d34f204b8ab438",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-25T03:50:47Z",
    "title_canon_sha256": "f28474f95be19c31a4d7310eb43db6a2b3c848f860c33f0c5e85e1917b8d46fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.11721",
    "kind": "arxiv",
    "version": 1
  }
}