Pith Number

pith:YJP35V2R

pith:2012:YJP35V2R2Q4EZS2UE6CFN7B35R

not attested not anchored not stored refs pending

Spatiotemporal correlations of handset-based service usages

Hang-Hyun Jo, Juuso Karikoski, Kimmo Kaski, M\'arton Karsai

arxiv:1204.2169 v3 · 2012-04-10 · physics.soc-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJP35V2R2Q4EZS2UE6CFN7B35R}

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	2026-05-18T03:41:29.355579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c25fbed751d4384ccb54278456fc3bec711df02ac980e84cac5fddb01af06ef3

Aliases

arxiv: 1204.2169 · arxiv_version: 1204.2169v3 · doi: 10.48550/arxiv.1204.2169 · pith_short_12: YJP35V2R2Q4E · pith_short_16: YJP35V2R2Q4EZS2U · pith_short_8: YJP35V2R

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/YJP35V2R2Q4EZS2UE6CFN7B35R \
  | 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: c25fbed751d4384ccb54278456fc3bec711df02ac980e84cac5fddb01af06ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc7d57cb7170fcbce2b57c4a8f6bd60ecdb27813eab74213f441698829b8458b",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-04-10T14:42:56Z",
    "title_canon_sha256": "79aececff8f7dea6a60cf8f2e1577a18267d76a235395e30586f56c481d8180f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2169",
    "kind": "arxiv",
    "version": 3
  }
}