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 ₱552.8K contract to JOM CONSTRUCTIONCities

Transaction hash:

24c8af2b979940545cd971e8684c1ec9f29bc16b0766852f58143e50dd10a667

Status:

Included and unchanged

Block:

#1,398 4,615 blocks after it

Position in block:

Transaction 9 of 63

Award day:

Mar 9, 2012 (14 yrs 8 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

JOM CONSTRUCTION

Value:

₱552,808.61

Project:

Rehabilitation of School Building at Talisayan Elementary School, Talisayan [ 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 #1,398 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 JOM CONSTRUCTION on 2012-03-09.
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 24c8af2b97…10a667now …
2. Block Merkle root changed
stored 630f54ee13…402a56now …
3. Block #1398 hash changed
stored afefa799c8…e17664now …

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 24c8af2b979940545cd971e8684c1ec9f29bc16b0766852f58143e50dd10a667
01 L 1d9a5d6ce48d36a879faf807b66c0a76730a834facec53cc15c6a6b70111febb
02 R 6763691e99060ec7b905ca82856ba1ed778463cbe5c1c5364bde63616e8a7a2e
03 R dd10e73c28635a5aab27de37a4ed1186c11bc727dd99e9114da66b1b3462d80d
04 L 3a641ee9ec825f4be157152ef56d2066f7777459cfcc92e89a9d68d36e42bcb2
05 R d938cd8794b889e7524d35e2bb5d536b61c850278b7e6ce1559b266908c2ec4f
06 R c2fd5a30813a0d84aff569bc296a9e1e818c6617cc3f60a5366d50463b49b1e5
root 630f54ee133d8ad8a6682fbda968ecfbaf3b272ed06ae678d495ece682402a56