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 ₱481.8K contract to 2M CONSTRUCTION AND ENTERPRISESCities

Transaction hash:

ee2da8bcca338908bdf495726d0aeb68392caaefd3e6544dbb2762e523eec3b2

Status:

Included and unchanged

Block:

#1,540 4,473 blocks after it

Position in block:

Transaction 58 of 64

Award day:

Aug 23, 2012 (14 yrs 2 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

2M CONSTRUCTION AND ENTERPRISES

Value:

₱481,775.41

Project:

Construction of Drainage System at Victoria Elementary School, Victoria

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 #1,540 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 2M CONSTRUCTION AND ENTERPRISES on 2012-08-23.
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 ee2da8bcca…eec3b2now …
2. Block Merkle root changed
stored cc838cb5fe…d71780now …
3. Block #1540 hash changed
stored 28cbcc32da…abad99now …

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

leaf ee2da8bcca338908bdf495726d0aeb68392caaefd3e6544dbb2762e523eec3b2
01 R f093a8f9874d03e186542093f5acfa0f21ab0e9d7c8b9d296d9b06c794d78026
02 L b9e2ee1926c91f2868f0b7ca54c3a1cf050a7f37f43618df4f9886aa884f3be8
03 R bfece594b07be369826770ec5333c8d1b0304bde2287caaff42f9785454c17c8
04 L f8c4a2984baf072c358590c5088c46a9bf98d89b90d805ddbc9da9b5e6fee06e
05 L 47c7a4950752a4c39e50e5c81d19f506f8f29916c14a386d9c547f0118d989d7
06 L 42826a595680a2341fdccb3abf0926ac2685db5d5816cc40095b7e633e946ee1
root cc838cb5fea3249e1bf12a96f419e6a4703d82379f7a9de202ac44e107d71780