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
APITransaction action
PROVINCE OF ZAMBOANGA DEL SUR Award a ₱2.5M contract to CDTECH BUILDERSProvinces
Transaction hash:
492880a8bf75d722d6ca7cd39ae5a01d01c40dfb72c2128aa325f35084aa2d70
Status:
Included and unchanged
Block:
#4,564 1,449 blocks after it
Position in block:
Transaction 47 of 174
Award day:
Sep 10, 2021 (5 yrs 2 mo ago)
Value:
₱2,497,446.81
Project:
INFRA 2K21-42 CONSTRUCTION OF STANDARD COVERED COU
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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 #4,564 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PROVINCE OF ZAMBOANGA DEL SUR awarded it to CDTECH BUILDERS on 2021-09-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Zamboanga del Sur gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
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
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 492880a8bf…aa2d70now …
- 2. Block Merkle root changedstored fcfa0605f2…eda973now …
- 3. Block #4564 hash changedstored 2208cc5495…46c803now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 173 records. Each step hashes the current value together with the sibling shown.
- leaf 492880a8bf75d722d6ca7cd39ae5a01d01c40dfb72c2128aa325f35084aa2d70
- 01 L 48a3704546514721cb3ddee5f9145eb2e06c7c04b6e009b21dd50f35546f0294
- 02 L 8df8535319065937de65528be86e451a540209b9c8323106d2642d1dd166ec37
- 03 L a5e1d21ff7d27157b17ee660c8e3a46588beaf29cd74d6839efa6f8af7e9ccbe
- 04 L b9220afeb4acdda3cf0b54c1d7ca04e59dac1db74aa0e485676c2a44f7278b8a
- 05 R cbb90358ca03bf2c6209adf87dae5a6f504d919871f4ea78e6c65f0a3d4b7d69
- 06 L 3023cae0f96098f7081a4032f683da14a27253b9c8ee7842a922f7e7565ae336
- 07 R af692a59ec7236f2cb06d1ea6cf518a96414df70aff2eeec80e3f9b8cc961c40
- 08 R c8f38517909a22ebad5225baebae8bd9dbb0397ffb52d2a7a0b2db754b4d9339
- root fcfa0605f213fee9ca456103be4e8ffcbb20efd1963d36820776cb41a7eda973