Pith Number

pith:HXYGW5FM

pith:2015:HXYGW5FMERJ4DGX66JW7VSELXF

not attested not anchored not stored refs pending

Design and implementation of an Android application to anonymously analyse locations of the citizens in Barcelona

Angel Torres Moreira, Monica Aguilar Igartua, Silvia Puglisi

arxiv:1507.04585 v1 · 2015-07-16 · cs.CY · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HXYGW5FMERJ4DGX66JW7VSELXF}

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	2026-05-18T01:36:46.956689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df06b74ac2453c19afef26dfac88bb96a4280662043eafeada6d152844b436f

Aliases

arxiv: 1507.04585 · arxiv_version: 1507.04585v1 · doi: 10.48550/arxiv.1507.04585 · pith_short_12: HXYGW5FMERJ4 · pith_short_16: HXYGW5FMERJ4DGX6 · pith_short_8: HXYGW5FM

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/HXYGW5FMERJ4DGX66JW7VSELXF \
  | 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: 3df06b74ac2453c19afef26dfac88bb96a4280662043eafeada6d152844b436f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df8fb685f4e7b697d75cdadf5410e3a084e5a801e7a6ecc3de1aad5cf7215ecc",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-07-16T14:08:44Z",
    "title_canon_sha256": "be507fedb608315e09479d0daa4c359730a7153c699918f327b22c07654209e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04585",
    "kind": "arxiv",
    "version": 1
  }
}