Pith Number

pith:4QTL6TS4

pith:2014:4QTL6TS44BAFRG34MUAAXNF4PU

not attested not anchored not stored refs pending

Geotagged tweets to inform a spatial interaction model: a case study of museums

Kirk Harland, Mark Birkin, Nick Malleson, Robin Lovelace

arxiv:1403.5118 v1 · 2014-03-20 · stat.ME · cs.CY · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QTL6TS44BAFRG34MUAAXNF4PU}

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	2026-05-18T02:55:58.195972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e426bf4e5ce040589b7c65000bb4bc7d2fc477b6d971684be804c4dbf711aca3

Aliases

arxiv: 1403.5118 · arxiv_version: 1403.5118v1 · doi: 10.48550/arxiv.1403.5118 · pith_short_12: 4QTL6TS44BAF · pith_short_16: 4QTL6TS44BAFRG34 · pith_short_8: 4QTL6TS4

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/4QTL6TS44BAFRG34MUAAXNF4PU \
  | 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: e426bf4e5ce040589b7c65000bb4bc7d2fc477b6d971684be804c4dbf711aca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c922885013243e2f4c0a61bcfd633585f93698ce36f442a54ccba011e5836f74",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-03-20T12:48:24Z",
    "title_canon_sha256": "ae9e987707cd96a2cfa8e3608d32e9b30d4846e6643faa39ceffa33b3bd4a75d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5118",
    "kind": "arxiv",
    "version": 1
  }
}