Pith Number

pith:D4AHWEX5

pith:2020:D4AHWEX5NMZVPPBPIKOO5SXUJN

not attested not anchored not stored refs pending

Transfer Learning for Activity Recognition in Mobile Health

Andrew T. Campbell, Diane J. Cook, Donna Spruijt-Metz, Hassan Ghasemzadeh, John Lach, Majid Sarrafzadeh, Shwetak N. Patel, Thomas Ploetz, Yuchao Ma

arxiv:2007.06062 v1 · 2020-07-12 · cs.LG · cs.HC · 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{D4AHWEX5NMZVPPBPIKOO5SXUJN}

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	2026-07-05T01:19:12.403126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f007b12fd6b3357bc2f429ceecaf44b621303e60417c12970493f12d91db088

Aliases

arxiv: 2007.06062 · arxiv_version: 2007.06062v1 · doi: 10.48550/arxiv.2007.06062 · pith_short_12: D4AHWEX5NMZV · pith_short_16: D4AHWEX5NMZVPPBP · pith_short_8: D4AHWEX5

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/D4AHWEX5NMZVPPBPIKOO5SXUJN \
  | 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: 1f007b12fd6b3357bc2f429ceecaf44b621303e60417c12970493f12d91db088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b2e4d9aeddd564834c274bfc09e254dfe3b328f18724ef2b048c2577009480e",
    "cross_cats_sorted": [
      "cs.HC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-07-12T18:32:46Z",
    "title_canon_sha256": "d692394ef16e78368378a831e87657172a0c0da20f1c53e600b02c3e621d4c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06062",
    "kind": "arxiv",
    "version": 1
  }
}