Pith Number

pith:3VXEESYK

pith:2018:3VXEESYKGSFOW7SD3KT44O33HH

not attested not anchored not stored refs pending

A stigmergy-based analysis of city hotspots to discover trends and anomalies in urban transportation usage

Antonio L. Alfeo, Bruno Lepri, Gigliola Vaglini, Mario G. C. A. Cimino, Sara Egidi

arxiv:1804.05697 v2 · 2018-04-16 · cs.AI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VXEESYKGSFOW7SD3KT44O33HH}

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	2026-05-17T23:55:59.122667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd6e424b0a348aeb7e43daa7ce3b7b39c94edd10bac0c035a78feda5c90809f8

Aliases

arxiv: 1804.05697 · arxiv_version: 1804.05697v2 · doi: 10.48550/arxiv.1804.05697 · pith_short_12: 3VXEESYKGSFO · pith_short_16: 3VXEESYKGSFOW7SD · pith_short_8: 3VXEESYK

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/3VXEESYKGSFOW7SD3KT44O33HH \
  | 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: dd6e424b0a348aeb7e43daa7ce3b7b39c94edd10bac0c035a78feda5c90809f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2712e5fccde551ea49334960c03c61b3fbcdf05bd070a37b2b86172a43891fb4",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-04-16T14:19:06Z",
    "title_canon_sha256": "1501ec37769d33354c572e2dfc2e6785a200eaf55353283cf6726dec275d0556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05697",
    "kind": "arxiv",
    "version": 2
  }
}