Pith Number

pith:U3FENQDC

pith:2020:U3FENQDCUTHFEMLHH7UWXEGSLV

not attested not anchored not stored refs pending

Improving Prediction of Real-Time Loneliness and Companionship Type Using Geosocial Features of Personal Smartphone Data

Amanda N. Barczyk, Christopher G. Beevers, Congyu Wu, David M. Schnyer, Edison Thomaz, Gabriella M. Harari, Jason D. Shumake, R. Cameron Craddock, Samuel D. Gosling

arxiv:2010.09807 v1 · 2020-10-19 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3FENQDCUTHFEMLHH7UWXEGSLV}

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	2026-07-05T01:44:24.211341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ca46c062a4ce5231673fe96b90d25d47bf30625ccf8f13d541b9ba05da87f6

Aliases

arxiv: 2010.09807 · arxiv_version: 2010.09807v1 · doi: 10.48550/arxiv.2010.09807 · pith_short_12: U3FENQDCUTHF · pith_short_16: U3FENQDCUTHFEMLH · pith_short_8: U3FENQDC

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/U3FENQDCUTHFEMLHH7UWXEGSLV \
  | 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: a6ca46c062a4ce5231673fe96b90d25d47bf30625ccf8f13d541b9ba05da87f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fca1e6bde87400a954e75baf1900aedecafb84343aa0c0bdefb736e9116c46f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2020-10-19T19:36:52Z",
    "title_canon_sha256": "00d92678dbca9dd94f89628ca5fa0b60984aa8c0c60d455fb4ed98a4e2c8d61d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.09807",
    "kind": "arxiv",
    "version": 1
  }
}