Pith Number

pith:SPZI4UTY

pith:2016:SPZI4UTYXMFMVK753W3JXNG54I

not attested not anchored not stored refs pending

Spatio-temporal analysis of micro economic activities in Rome reveals patterns of mixed-use urban evolution

Alessandro Fiasconaro, Emanuele Strano, Sergio Porta, Vincenzo Nicosia, Vito Latora

arxiv:1602.08374 v1 · 2016-02-26 · physics.soc-ph · q-fin.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPZI4UTYXMFMVK753W3JXNG54I}

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	2026-05-18T01:16:13.863719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93f28e5278bb0acaabfdddb69bb4dde219907f49fc19a79e365d35a64fa69c69

Aliases

arxiv: 1602.08374 · arxiv_version: 1602.08374v1 · doi: 10.48550/arxiv.1602.08374 · pith_short_12: SPZI4UTYXMFM · pith_short_16: SPZI4UTYXMFMVK75 · pith_short_8: SPZI4UTY

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/SPZI4UTYXMFMVK753W3JXNG54I \
  | 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: 93f28e5278bb0acaabfdddb69bb4dde219907f49fc19a79e365d35a64fa69c69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8213552b7c6d2572181777be10445237a92f0cae3f8631add5fba009e3392204",
    "cross_cats_sorted": [
      "q-fin.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2016-02-26T15:43:25Z",
    "title_canon_sha256": "d4548912e475f5894a0f361105a2b74e949ea1159cc5868ec60fe7b136a3e554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08374",
    "kind": "arxiv",
    "version": 1
  }
}