Pith Number

pith:LIU4LKNV

pith:2021:LIU4LKNVYFU4ZZV6PAC2XKAHRM

not attested not anchored not stored refs pending

MultiFace: A Generic Training Mechanism for Boosting Face Recognition Performance

Jing Xu, Kun Bai, Tszhang Guo, Yong Xu, Zenglin Xu

arxiv:2101.09899 v3 · 2021-01-25 · 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{LIU4LKNVYFU4ZZV6PAC2XKAHRM}

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	2026-07-05T02:52:14.794113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a29c5a9b5c169cce6be7805aba8078b2bc983b180cc26480552456a19dd3b41

Aliases

arxiv: 2101.09899 · arxiv_version: 2101.09899v3 · doi: 10.48550/arxiv.2101.09899 · pith_short_12: LIU4LKNVYFU4 · pith_short_16: LIU4LKNVYFU4ZZV6 · pith_short_8: LIU4LKNV

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/LIU4LKNVYFU4ZZV6PAC2XKAHRM \
  | 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: 5a29c5a9b5c169cce6be7805aba8078b2bc983b180cc26480552456a19dd3b41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd4164590b8cc9f0635cc16f66bc5904bcae25efc23a99c7abf96ec28e900d98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-25T05:18:51Z",
    "title_canon_sha256": "cf7863b1b407611197420635fe98ff9752b5f95b467fa04ae5d77c8f35fc5bea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09899",
    "kind": "arxiv",
    "version": 3
  }
}