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 ₱7.5M contract to RZBA CONSTRUCTIONCities

Transaction hash:

afff8cff9c86d27d2fb20e44c03492ec9c2e2d9be6d1ed413aea74dd9821b86e

Status:

Included and unchanged

Block:

#1,104 4,909 blocks after it

Position in block:

Transaction 35 of 50

Award day:

Mar 25, 2011 (15 yrs 7 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

RZBA CONSTRUCTION

Value:

₱7,510,000.01

Project:

Development of Parks and Gardens / Construction of Drainage System (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 #1,104 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 RZBA CONSTRUCTION on 2011-03-25.
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 afff8cff9c…21b86enow …
2. Block Merkle root changed
stored 64109b0005…3a5971now …
3. Block #1104 hash changed
stored 196a85bf7d…b87389now …

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 49 records. Each step hashes the current value together with the sibling shown.

leaf afff8cff9c86d27d2fb20e44c03492ec9c2e2d9be6d1ed413aea74dd9821b86e
01 L a9d4cad2887a2485830eb792d531db9496afdf4cafa709e86c86d0919b7c0943
02 L 5f40725994cd0f772bb578c9bb3b68f7cfc42cd98239790ffaac1691f447dd03
03 R 2ed2be24cc380e7910dbf066cc682650de04732295f48028625177f9b517c0a1
04 R efd856b8a9254510bb20b085807fbc2149a701aa0c9d9fb45be37a5cb7bf7877
05 R e6b8e3ba2efbdbbf1f8515bebe85009c1908deca9102628c6a0ea758f31c9752
06 L 32305c9e4bbd22f0e2d0bf128f0cff8cb1c924c85d64c2347075fd2d2939e0ad
root 64109b0005bdf25f51067f42fe8a2503a400332bade9d1d355142fc51c3a5971