Pith Number

pith:AHVZDFHS

pith:2021:AHVZDFHSZFOBSHL7X3DMH6GPEF

not attested not anchored not stored refs pending

A*HAR: A New Benchmark towards Semi-supervised learning for Class-imbalanced Human Activity Recognition

Arun Raja, Chuan Sheng Foo, Govind Narasimman, Jie Lin, Kangkang Lu, Mohamed Sabry Aly, Vijay Chandrasekhar

arxiv:2101.04859 v1 · 2021-01-13 · cs.LG · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AHVZDFHSZFOBSHL7X3DMH6GPEF}

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	2026-07-05T02:06:35.829067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01eb9194f2c95c191d7fbec6c3f8cf217df474c0de4d4a6c031913994c9f75e3

Aliases

arxiv: 2101.04859 · arxiv_version: 2101.04859v1 · doi: 10.48550/arxiv.2101.04859 · pith_short_12: AHVZDFHSZFOB · pith_short_16: AHVZDFHSZFOBSHL7 · pith_short_8: AHVZDFHS

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/AHVZDFHSZFOBSHL7X3DMH6GPEF \
  | 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: 01eb9194f2c95c191d7fbec6c3f8cf217df474c0de4d4a6c031913994c9f75e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27ed581d1680f0e5b302e15abb047284257a74e3f776585f40a9d062fe100ce0",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-13T03:56:49Z",
    "title_canon_sha256": "31c642a647873b22aeee32af5da2bad727c7f8f1df7159de368cf45aade3567e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04859",
    "kind": "arxiv",
    "version": 1
  }
}