Pith Number

pith:O7FSQBS4

pith:2015:O7FSQBS4CHIWRJD7M4HBDL7UXG

not attested not anchored not stored refs pending

A Study of Age and Gender seen through Mobile Phone Usage Patterns in Mexico

Carlos Sarraute, Javier Burroni, Pablo Blanc

arxiv:1511.06656 v1 · 2015-11-20 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7FSQBS4CHIWRJD7M4HBDL7UXG}

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	2026-05-18T01:26:24.138243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77cb28065c11d168a47f670e11aff4b9a846c9cb6e41308b4f1b232e77d5647c

Aliases

arxiv: 1511.06656 · arxiv_version: 1511.06656v1 · doi: 10.48550/arxiv.1511.06656 · pith_short_12: O7FSQBS4CHIW · pith_short_16: O7FSQBS4CHIWRJD7 · pith_short_8: O7FSQBS4

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/O7FSQBS4CHIWRJD7M4HBDL7UXG \
  | 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: 77cb28065c11d168a47f670e11aff4b9a846c9cb6e41308b4f1b232e77d5647c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "702107647bfbe7c2d7eedf1f5a1784048b17536a4a4de505ff01a66a96491b4e",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-11-20T15:53:52Z",
    "title_canon_sha256": "59ffe04b82ee23a4a67a87a9fc3a21b53b970e8371a56527c7821a07e9fad5fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06656",
    "kind": "arxiv",
    "version": 1
  }
}