DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱667.0K contract to WESTERN MINDANAO CONSTRUCTIONCities

Transaction hash:

7bbf9bb51057d82469e3dbe34ead1de26c24296790c0de4c9d41b278404b7042

Status:

Included and unchanged

Block:

#897 5,116 blocks after it

Position in block:

Transaction 22 of 52

Award day:

Jul 1, 2010 (16 yrs 4 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

WESTERN MINDANAO CONSTRUCTION

Value:

₱667,043.62

Project:

Rehabilitation/Improvement of School Building / Daycare Center (Cluster)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #897 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to WESTERN MINDANAO CONSTRUCTION on 2010-07-01.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
COA's CY2024 audit of City of Zamboanga gave a "qualified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 7bbf9bb510…4b7042now …
2. Block Merkle root changed
stored 365e034b9f…2714e2now …
3. Block #897 hash changed
stored c34b3d9009…1a7137now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 51 records. Each step hashes the current value together with the sibling shown.

leaf 7bbf9bb51057d82469e3dbe34ead1de26c24296790c0de4c9d41b278404b7042
01 R 8306d7a34db88a843a2e215e8c3de96839221f5af388bc7dd463f547e75d0f46
02 L 75987e864c371093ec7d710674ed26ee9c3eadddd12714b1eeb8c72339b78ef1
03 L a92d658ff5add4f1e43322c6084168bd856d52a53b7d3f54d3657ffa1cad47e9
04 R b4a42c536f2d72a83d6d5974860976c24757be9f4a13dfed1cef28975e059a6f
05 L dc3f9b731a5ee1906f59b9da3e4818c5f6eea030d34e6f9351b8581ffa8c7567
06 R eae414cd06c7f835591eb8dbe286168f4f282fa38a65ecf58a60a94ad60996d8
root 365e034b9f78ef7080f541e70c29e979c6b54583507cc770452b34b9892714e2