Pith Number

pith:DLLRZVQ3

pith:2015:DLLRZVQ3SDUJK3WPVQDYPFY3KC

not attested not anchored not stored refs pending

Identifying Geographic Clusters: A Network Analytic Approach

Dmytro Karamshuk, Massimo Riccaboni, Orion Penner, Roberto Catini

arxiv:1505.04623 v1 · 2015-05-18 · physics.soc-ph · 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{DLLRZVQ3SDUJK3WPVQDYPFY3KC}

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	2026-05-18T02:07:24.983954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ad71cd61b90e8956ecfac0787971b5094cdbfe40fe0fba186b7847139890048

Aliases

arxiv: 1505.04623 · arxiv_version: 1505.04623v1 · doi: 10.48550/arxiv.1505.04623 · pith_short_12: DLLRZVQ3SDUJ · pith_short_16: DLLRZVQ3SDUJK3WP · pith_short_8: DLLRZVQ3

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/DLLRZVQ3SDUJK3WPVQDYPFY3KC \
  | 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: 1ad71cd61b90e8956ecfac0787971b5094cdbfe40fe0fba186b7847139890048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7920f3ed6386d8f272d7b38db59f46d83d519601519b32bdadfdcfe73783054",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-05-18T13:13:34Z",
    "title_canon_sha256": "694ab5e06bf97117bd1655e55700dddf1730cefb1393f196aa496415e16da4c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04623",
    "kind": "arxiv",
    "version": 1
  }
}