Pith Number

pith:JPJBBV2C

pith:2019:JPJBBV2CUHQGXIYOL2RBCTZEDV

not attested not anchored not stored refs pending

Sidewalk and Toronto: Critical Systems Heuristics and the Smart City

Christoph Becker, Curtis McCord

arxiv:1906.02266 v1 · 2019-06-05 · 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{JPJBBV2CUHQGXIYOL2RBCTZEDV}

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	2026-05-17T23:44:01.771239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bd210d742a1e06ba30e5ea2114f241d7a4a779a36f4286435e26f283dfdca50

Aliases

arxiv: 1906.02266 · arxiv_version: 1906.02266v1 · doi: 10.48550/arxiv.1906.02266 · pith_short_12: JPJBBV2CUHQG · pith_short_16: JPJBBV2CUHQGXIYO · pith_short_8: JPJBBV2C

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/JPJBBV2CUHQGXIYOL2RBCTZEDV \
  | 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: 4bd210d742a1e06ba30e5ea2114f241d7a4a779a36f4286435e26f283dfdca50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e98630a3c062630b7474cca469606c9ba89a6d11a6e48a9c85df368a6ed0217f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-06-05T19:28:04Z",
    "title_canon_sha256": "5b2bb8b771bc8c1007b80aae73bedd5f78662c47ee95fefa517076a4fa2c79eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02266",
    "kind": "arxiv",
    "version": 1
  }
}