Pith Number

pith:MXMEUEGS

pith:2018:MXMEUEGS2HRMNSKQCBFKMFEH5I

not attested not anchored not stored refs pending

The Phone Walkers: A study of human dependence on inactive mobile devices

James Unwin, Laura P. Schaposnik

arxiv:1804.08753 v1 · 2018-04-23 · 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{MXMEUEGS2HRMNSKQCBFKMFEH5I}

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	2026-07-05T05:06:48.232959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65d84a10d2d1e2c6c950104aa61487ea3c0b2a354b391dbd62fc0abfaaa3ea10

Aliases

arxiv: 1804.08753 · arxiv_version: 1804.08753v1 · doi: 10.48550/arxiv.1804.08753 · pith_short_12: MXMEUEGS2HRM · pith_short_16: MXMEUEGS2HRMNSKQ · pith_short_8: MXMEUEGS

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/MXMEUEGS2HRMNSKQCBFKMFEH5I \
  | 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: 65d84a10d2d1e2c6c950104aa61487ea3c0b2a354b391dbd62fc0abfaaa3ea10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcbfd7cc53264e056b8763fdb873d9db0507dcc2274491df31d3cf93e6b51704",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-04-23T21:45:23Z",
    "title_canon_sha256": "a253c2660865bfb9c5036945561d15a7da20b6eb41bc808072d0f37cb3e94661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08753",
    "kind": "arxiv",
    "version": 1
  }
}