Pith Number

pith:WPIDJXFZ

pith:2017:WPIDJXFZG2WQ3SL6QZZS5UEXTW

not attested not anchored not stored refs pending

Tourists' digital footprint in cities: comparing big data sources

Javier Gutierrez, Juan Carlos Garcia-Palomares, Maria Henar Salas-Olmedo

arxiv:1705.07951 v1 · 2017-05-22 · 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{WPIDJXFZG2WQ3SL6QZZS5UEXTW}

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	2026-05-18T00:44:04.065803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3d034dcb936ad0dc97e86732ed0979dbc3afaad3898ea43b1137f533f8b3f75

Aliases

arxiv: 1705.07951 · arxiv_version: 1705.07951v1 · doi: 10.48550/arxiv.1705.07951 · pith_short_12: WPIDJXFZG2WQ · pith_short_16: WPIDJXFZG2WQ3SL6 · pith_short_8: WPIDJXFZ

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/WPIDJXFZG2WQ3SL6QZZS5UEXTW \
  | 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: b3d034dcb936ad0dc97e86732ed0979dbc3afaad3898ea43b1137f533f8b3f75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43e1d76f4b3f8676bf6280aa9540c149a1d109c2ff08fa603eb60dfd82d72df6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-05-22T19:05:01Z",
    "title_canon_sha256": "917e780e09ae779af02b06d9e3c03fcc1c67854ad5e5e67d46c4bbc676fe9571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07951",
    "kind": "arxiv",
    "version": 1
  }
}