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 ₱1.2M contract to BEAM CONSTRUCTION & DEVELOPMENT CORPORATIONCities

Transaction hash:

ac48b005ee54c5b643e28f687e747d3093b8cb2c5741f662cf3a5d767b0f5778

Status:

Included and unchanged

Block:

#1,085 4,928 blocks after it

Position in block:

Transaction 21 of 38

Award day:

Mar 1, 2011 (15 yrs 8 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

BEAM CONSTRUCTION & DEVELOPMENT CORPORATION

Value:

₱1,210,000.00

Project:

Construction of Multi-Purpose Pavement / Construction of Seaweeds Dryer (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 #1,085 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 BEAM CONSTRUCTION & DEVELOPMENT CORPORATION on 2011-03-01.
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 ac48b005ee…0f5778now …
2. Block Merkle root changed
stored d9f784fbfc…b10709now …
3. Block #1085 hash changed
stored 231bfceaba…74645cnow …

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

leaf ac48b005ee54c5b643e28f687e747d3093b8cb2c5741f662cf3a5d767b0f5778
01 L a87149b2b236a0e17f2988a7b7a86b8e7431d7547aa7e9059b7f65a48fc63051
02 R 23e95488087306146a64bb23b1e542a76060f1399bb4c013ca48b03230e679da
03 L cf74138251bdc9f98d84256eb66e766a03d019ca8927ce0fb2c07c30264e590f
04 R 018ebd71f10325bc9e8128dc3a3fae807e2edd831a5099e423b55f6f57a61b1a
05 L ef0abc2dd332dc0287849fca2c27c0c3039d4715997a9557957a67d16fe34ab4
06 R b1a4a2ac71f21f9639ac3bdc2317a269c44b431290db132af56ac8c9d3011ec3
root d9f784fbfc20ac79c61a349f7910390acd3c2d67ac3fbfc82a90991662b10709