Pith Number

pith:3ARNXH2H

pith:2015:3ARNXH2HJGNGZERIFOWWTR2SP2

not attested not anchored not stored refs pending

Scaling of city attractiveness for foreign visitors through big data of human economical and social media activity

Alexander Belyi, Bartosz Hawelka, Carlo Ratti, Iva Bojic, Izabela Sitko, Juan Murillo Arias, Stanislav Sobolevsky

arxiv:1504.06003 v1 · 2015-04-22 · 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{3ARNXH2HJGNGZERIFOWWTR2SP2}

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	2026-05-18T01:22:14.555352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d822db9f47499a6c92282bad69c7527eaea367bc80e90246bf159165dd937954

Aliases

arxiv: 1504.06003 · arxiv_version: 1504.06003v1 · doi: 10.48550/arxiv.1504.06003 · pith_short_12: 3ARNXH2HJGNG · pith_short_16: 3ARNXH2HJGNGZERI · pith_short_8: 3ARNXH2H

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/3ARNXH2HJGNGZERIFOWWTR2SP2 \
  | 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: d822db9f47499a6c92282bad69c7527eaea367bc80e90246bf159165dd937954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cc947b4cb4fce30da11d05a9264e5a086b69908ec62edde8ad4393aacc14b39",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-04-22T22:50:36Z",
    "title_canon_sha256": "756cb1607d324c7858e462b85659c16e887bfdaa9e25d278bdc1c54996fc287e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06003",
    "kind": "arxiv",
    "version": 1
  }
}