™Public evidence packet
Heidelberg Materials
ent_6dd18f490ec12c1e · Calgary
Physical citations
4
corroborated or strictly verified
Observed assets
1
2 coverage cells
Score status
Evidence building
4 accepted citations · stable score pending
Last observed
2026-11-02
first 2026-07-27
Experimental score details
Provisional PPS: 36. This early estimate is not a stable Presence Score or a public cohort rank. It can change sharply as independent evidence grows.
What this proves
- An accepted physical citation records that a brand or asset was observed at a documented time and privacy-safe place.
- The citation's presence_kind states whether it supports location_presence, mobile_presence, or brand_mention.
What this does not prove
- Ownership or control of an observed location or asset.
- Licensing, legal status, legitimacy, quality, reputation, or continued operation.
- Endorsement, affiliation, or customer sentiment.
- Audience size, impressions, reach, conversions, sales, revenue, or return on investment.
- A complete asset inventory, exhaustive city coverage, or absence when no matching citation exists.
Citation formats
Use this packet in reports
Plain English
Heidelberg Materials has a StreetProof Presence Record for Calgary with 4 public corroborated or strictly verified observations across 1 observed asset.
Newsroom
Heidelberg Materials has a StreetProof Presence Record for Calgary with 4 public corroborated or strictly verified observations across 1 observed asset. Source: StreetProof, https://streetproof.com/entity/calgary/heidelberg-materials/evidence
JSON citation
{
"source": "StreetProof",
"record": "ent_6dd18f490ec12c1e",
"name": "Heidelberg Materials",
"public_observations": 4,
"physical_citations": 4,
"brand_mentions": 0,
"local_operation_observed": false,
"unique_assets": 1,
"pps_current": null,
"provisional_pps": 35.96,
"score_state": "provisional",
"evidence_url": "https://streetproof.com/entity/calgary/heidelberg-materials/evidence",
"methodology_url": "https://streetproof.com/methodology"
}Observation sample
Recent public ledger rows
| Observed | Source | Asset | Citation type | Cell | State | Ledger hash |
|---|---|---|---|---|---|---|
| 2026-11-02 | reviewed_sensor_source | ast_ps_b2c37a8dd1608797 · vehicle_wrap | mobile_presence | 8912ccd5dabffff | corroborated | e9c8401e8749b0d8e672cda853b5ce820465802a47dae6af27ba8bbbb7d78b54 |
| 2026-10-17 | reviewed_sensor_source | ast_ps_b2c37a8dd1608797 · vehicle_wrap | mobile_presence | 8912ccd4103ffff | corroborated | 0eea1ca177b5661ed179c8daa86a39e74de591750e3f68adbb7e7fd75347c974 |
| 2026-09-22 | reviewed_sensor_source | ast_ps_b2c37a8dd1608797 · vehicle_wrap | mobile_presence | 8912ccd5dabffff | corroborated | 3ef0ba38c6ec934321f922eb4e945fc7a00b3735fd1f9eeb79d82791739b02af |
| 2026-07-27 | reviewed_sensor_source | ast_ps_b2c37a8dd1608797 · vehicle_wrap | mobile_presence | 8912ccd5dabffff | corroborated | 61b68d7976fc5bd2b6b06b75468e6480879c82bdd4da2993fc093ed9763ed7a3 |
Source mix
reviewed_sensor_source
4
Verification mix
corroborated
4
Physical citation mix
mobile_presence
4