Pith Number

pith:TFI6CHMR

pith:2017:TFI6CHMR774VEJ7YROX5RK5OGW

not attested not anchored not stored refs pending

Depicting urban boundaries from a mobility network of spatial interactions: A case study of Great Britain with geo-located Twitter data

Aiman Soliman, Dandong Yin, Junjun Yin, Shaowen Wang

arxiv:1701.03173 v1 · 2017-01-11 · 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{TFI6CHMR774VEJ7YROX5RK5OGW}

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	2026-05-18T00:52:58.303479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9951e11d91fff95227f88bafd8abae358ce39ca5129927a84e32ab24233e2783

Aliases

arxiv: 1701.03173 · arxiv_version: 1701.03173v1 · doi: 10.48550/arxiv.1701.03173 · pith_short_12: TFI6CHMR774V · pith_short_16: TFI6CHMR774VEJ7Y · pith_short_8: TFI6CHMR

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/TFI6CHMR774VEJ7YROX5RK5OGW \
  | 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: 9951e11d91fff95227f88bafd8abae358ce39ca5129927a84e32ab24233e2783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae7cf8ac3780ccbf97eb2259aac0463e7e6f642f0d8b12c79113f9494f8861a6",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2017-01-11T21:33:31Z",
    "title_canon_sha256": "74f26ccd57ab39d7ffb7aea8b45e434878dc56678c900d455143a23cb20e04d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03173",
    "kind": "arxiv",
    "version": 1
  }
}