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 ₱986.4K contract to MCGABRIEL CONSTRUCTIONCities

Transaction hash:

12ffa4b97bb4df3624a3a9d762bb9678f1525e4b124d6a2fcc70b8da267ade45

Status:

Included and unchanged

Block:

#506 5,507 blocks after it

Position in block:

Transaction 3 of 47

Award day:

Jan 7, 2009 (17 yrs 10 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

MCGABRIEL CONSTRUCTION

Value:

₱986,406.46

Project:

Improvement of Farm-to-Market Road at Lower Tamion - Upper Tamion Elementary School, Vitali

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 #506 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 MCGABRIEL CONSTRUCTION on 2009-01-07.
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 12ffa4b97b…7ade45now …
2. Block Merkle root changed
stored 1a388843e8…6932ddnow …
3. Block #506 hash changed
stored a163485df3…489862now …

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

leaf 12ffa4b97bb4df3624a3a9d762bb9678f1525e4b124d6a2fcc70b8da267ade45
01 L 129c9d9af4fafa0221c1f72b2a0ea56f72ff8fad6d528ff4ac5b07fa62d93031
02 L 68a35de08cf62f31ae053b3ea8bbc7c8d774c65e80d645f88f53a900824cbded
03 R 32b6e5a9332ec6142c593855270b142e9f7934769612aa46057e107d58953fe4
04 R f52e671096514e823c49efa6790fcbc11d9772cb53cb15d2dd7f6ea10c501979
05 R 67a83d8ffab980a16e873aa6a899ae1c7047db2680271133d1523c6dc2a4d24c
06 R fc53884d1f41bd2323bffea97ea9c88e725fd528e065d04b780652943dbe3bd5
root 1a388843e870d2919aa6f297db74f6c954b7fd9e57109781bb4ab965a86932dd