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 ₱1.3M contract to ERNA CONSTRUCTION AND SUPPLIESCities

Transaction hash:

39f9cf7d9ee07b5a246c88fe9311c376a3b95730b64eb646f0fce215bb02b151

Status:

Included and unchanged

Block:

#2,754 3,259 blocks after it

Position in block:

Transaction 21 of 62

Award day:

Jun 2, 2016 (10 yrs 5 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

ERNA CONSTRUCTION AND SUPPLIES

Value:

₱1,296,337.08

Project:

Construction/Rehabilitation/Improvement of Drainag

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 #2,754 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 ERNA CONSTRUCTION AND SUPPLIES on 2016-06-02.
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 39f9cf7d9e…02b151now …
2. Block Merkle root changed
stored 4a407c5113…7822adnow …
3. Block #2754 hash changed
stored 3a200becb4…99f57dnow …

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

leaf 39f9cf7d9ee07b5a246c88fe9311c376a3b95730b64eb646f0fce215bb02b151
01 L 3673db042831a2db0f292815f07a87cc2b99568404bfe0a7d58c6576bfd5177c
02 R 78b8e795b93f882c7ba9ae575b0b164b270efc5bb31f05bdf641101cb350f07a
03 L 4a09c34359a581cbeee41d732b94fcc7e1077beca48900b643de6b1733ea6198
04 R 2ac51e390f88133eac53fd0f72105c7c1cbe3353eb4d1c9ebf52699e51aa9a26
05 L 2b1f8680666d2f3d83ea30e85163ff13544a6f8ecf78f6bec45ecd8eb23589ba
06 R e967f1fd74277fdd3adb6ad204ad09f9be75d38e87f4b7d94e4346269a13aa3d
root 4a407c51133c7e4b6a4a16a5d1f3a5dc762f0ad269dadc17da6a47a5517822ad