Pith Number

pith:6RXIVZ6D

pith:2021:6RXIVZ6DF6P4R4KPBROAQ7GPHA

not attested not anchored not stored refs pending

Predicting Depressive Symptom Severity through Individuals' Nearby Bluetooth Devices Count Data Collected by Mobile Phones: A Preliminary Longitudinal Study

Aki Rintala, Amos A Folarin, Brenda WJH Pennix, Callum Stewart, Carolin Oetzmann, David C Mohr, Faith Matcham, Femke Lamers, Inez Myin-Germeys, Josep Maria Haro, Matthew Hotopf, Nicholas Cummins, Pauline Conde, Peter Annas, Petroula Laiou, Richard JB Dobson, Sara Siddi, Sara Simblett, Shaoxiong Sun, Til Wykes, Vaibhav A Narayan, Yatharth Ranjan, Yuezhou Zhang, Zulqarnain Rashid

arxiv:2104.12407 v1 · 2021-04-26 · stat.ML · 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{6RXIVZ6DF6P4R4KPBROAQ7GPHA}

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	2026-07-05T06:47:10.853706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f46e8ae7c32f9fc8f14f0c5c087ccf3805a8878ec3d5096e9928681d8d003b7c

Aliases

arxiv: 2104.12407 · arxiv_version: 2104.12407v1 · doi: 10.48550/arxiv.2104.12407 · pith_short_12: 6RXIVZ6DF6P4 · pith_short_16: 6RXIVZ6DF6P4R4KP · pith_short_8: 6RXIVZ6D

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/6RXIVZ6DF6P4R4KPBROAQ7GPHA \
  | 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: f46e8ae7c32f9fc8f14f0c5c087ccf3805a8878ec3d5096e9928681d8d003b7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e163c0b3c732ecc18829db562bb4d25744ec5aaf0c2dfec041365332d397fef7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-04-26T09:06:02Z",
    "title_canon_sha256": "2b07f8ad6f80ceb26e5e16317feb19e40ce36a49bb421e050a33351f3999c212"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12407",
    "kind": "arxiv",
    "version": 1
  }
}