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 ₱1.4M contract to OGF CONSTRUCTION AND SUPPLIESCities

Transaction hash:

abfd64caa613ea5a12357cae31d9d7eb0564309d1cede7046fb06a616870fe80

Status:

Included and unchanged

Block:

#1,412 4,601 blocks after it

Position in block:

Transaction 35 of 63

Award day:

Mar 27, 2012 (14 yrs 7 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

OGF CONSTRUCTION AND SUPPLIES

Value:

₱1,399,379.62

Project:

Rehabilitation/Improvement of School Building at Boalan Elementary School, Boalan [ Alternative Mode ]

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 #1,412 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 OGF CONSTRUCTION AND SUPPLIES on 2012-03-27.
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 abfd64caa6…70fe80now …
2. Block Merkle root changed
stored a280667340…19510bnow …
3. Block #1412 hash changed
stored 21e37e506e…a91cd3now …

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

leaf abfd64caa613ea5a12357cae31d9d7eb0564309d1cede7046fb06a616870fe80
01 L aaa968b7ab4240a4de78408d216a8adf3e851cd1e83eda8b21c36c721508168a
02 L b29e5bd5d9495585b399a366b378de714543e08aae9df2b97dec9f398fba98c7
03 R ff562f5ae28e2e4bb84f6fffea689d6c0ad5c31eb81e3db5d5ffb82d660287f1
04 R 8bdecb18815dbe3556d76fda6113dd8b2ac96f9808ee2b236ba6f9f3d41856fa
05 R 4c68495c1d06a88814e8b541cf43d3b8bba2ce8da1888b6b5c8baebd5115e644
06 L 60480d4827234cc8d6a8e806ba0727b26a11fc129c3a1036214064eb7cc51ee6
root a28066734036ac94b17e53ec6cc2f16e9030a60663a9ea758370c300ff19510b