Pith Number

pith:VXRM3VFQ

pith:2021:VXRM3VFQXZDMXY7LQLTGAV5XZG

not attested not anchored not stored refs pending

Meta-HAR: Federated Representation Learning for Human Activity Recognition

Bei Jiang, Chenglin Li, Di Niu, Jianming Yang, Xiao Zuo

arxiv:2106.00615 v1 · 2021-05-31 · eess.SP · 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{VXRM3VFQXZDMXY7LQLTGAV5XZG}

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	2026-07-05T02:45:08.948959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ade2cdd4b0be46cbe3eb82e66057b7c9a05a3365726851e600a923cb82bf3bfd

Aliases

arxiv: 2106.00615 · arxiv_version: 2106.00615v1 · doi: 10.48550/arxiv.2106.00615 · pith_short_12: VXRM3VFQXZDM · pith_short_16: VXRM3VFQXZDMXY7L · pith_short_8: VXRM3VFQ

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/VXRM3VFQXZDMXY7LQLTGAV5XZG \
  | 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: ade2cdd4b0be46cbe3eb82e66057b7c9a05a3365726851e600a923cb82bf3bfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a64e93916ceb327802d9becc84c5087c910806ba93fdece24910a274eea20e6d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-05-31T11:04:39Z",
    "title_canon_sha256": "bea5af6386f020901b5dc70f7465fd772236eebe93dc9342fb718702bbaee582"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.00615",
    "kind": "arxiv",
    "version": 1
  }
}