Pith Number

pith:IEK2N6SQ

pith:2020:IEK2N6SQOGLY2KCVV6RHGKREK4

not attested not anchored not stored refs pending

Deep Multi-task Learning for Facial Expression Recognition and Synthesis Based on Selective Feature Sharing

Daniel P.K. Lun, Jun Xiao, Kin-man Lam, Rui Zhao, Tianshan Liu

arxiv:2007.04514 v2 · 2020-07-09 · 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{IEK2N6SQOGLY2KCVV6RHGKREK4}

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	2026-07-05T03:35:25.962268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4115a6fa5071978d2855afa2732a245733bce6efe3faa0333b9f50cbf8d289af

Aliases

arxiv: 2007.04514 · arxiv_version: 2007.04514v2 · doi: 10.48550/arxiv.2007.04514 · pith_short_12: IEK2N6SQOGLY · pith_short_16: IEK2N6SQOGLY2KCV · pith_short_8: IEK2N6SQ

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/IEK2N6SQOGLY2KCVV6RHGKREK4 \
  | 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: 4115a6fa5071978d2855afa2732a245733bce6efe3faa0333b9f50cbf8d289af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdf03151e5ce309ebe1edeb11e43745d48562c5fea40fe76ac756bfce628cfe5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-09T02:29:34Z",
    "title_canon_sha256": "82bc49f08b403d6a27d45c1c6cbcb4b92e662a0234b590c21767a9240252a112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04514",
    "kind": "arxiv",
    "version": 2
  }
}