Pith Number

pith:RZ6CNNR2

pith:2019:RZ6CNNR2YS4ROFXLSLOPSSWU5B

not attested not anchored not stored refs pending

Multi-task Self-Supervised Learning for Human Activity Detection

Aaqib Saeed, Johan Lukkien, Tanir Ozcelebi

arxiv:1907.11879 v1 · 2019-07-27 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZ6CNNR2YS4ROFXLSLOPSSWU5B}

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	2026-05-17T23:39:22.710653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e7c26b63ac4b91716eb92dcf94ad4e8483e1d705c96ee95dea11985986b757d

Aliases

arxiv: 1907.11879 · arxiv_version: 1907.11879v1 · doi: 10.48550/arxiv.1907.11879 · pith_short_12: RZ6CNNR2YS4R · pith_short_16: RZ6CNNR2YS4ROFXL · pith_short_8: RZ6CNNR2

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/RZ6CNNR2YS4ROFXLSLOPSSWU5B \
  | 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: 8e7c26b63ac4b91716eb92dcf94ad4e8483e1d705c96ee95dea11985986b757d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c5c9d3cf5bcfa215003c2d77bb1f22390c0ddcd9948d36922740db1d9700cb4",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-07-27T09:14:43Z",
    "title_canon_sha256": "fb6cf0f3d73548344513e8025bfdf26bd9207dc7af230b3c75a15af7a45fc53c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11879",
    "kind": "arxiv",
    "version": 1
  }
}