Pith Number

pith:SXTX2RO3

pith:2018:SXTX2RO3EXXIR3YLCFFSGO5YJ7

not attested not anchored not stored refs pending

Is social capital associated with synchronization in human communication? An analysis of Italian call records and measures of civic engagement

Alex Pentland, Bruno Lepri, Francesca Pancotto, Franco Zambonelli, Marco De Nadai, Marco Mamei, Michele Vescovi

arxiv:1806.06967 v3 · 2018-06-18 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXTX2RO3EXXIR3YLCFFSGO5YJ7}

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	2026-05-18T00:11:23.153995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e77d45db25ee88ef0b114b233bb84fd650a311f66463aee427d76991f3a194

Aliases

arxiv: 1806.06967 · arxiv_version: 1806.06967v3 · doi: 10.48550/arxiv.1806.06967 · pith_short_12: SXTX2RO3EXXI · pith_short_16: SXTX2RO3EXXIR3YL · pith_short_8: SXTX2RO3

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/SXTX2RO3EXXIR3YLCFFSGO5YJ7 \
  | 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: 95e77d45db25ee88ef0b114b233bb84fd650a311f66463aee427d76991f3a194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88a7e38b5b74bb7216381e630bd46defd9685a4d21b76c41249ae42a2f385cbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-06-18T22:10:50Z",
    "title_canon_sha256": "87f2b0aa868f3177075d718822178d85cd6ed12229c1dc444d17aa0bcbaf8cbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06967",
    "kind": "arxiv",
    "version": 3
  }
}