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
MUNICIPALITY OF NAUJAN, ORIENTAL MINDORO Award a ₱2.0M contract to RJJJ ENGINEERING SERVICESMunicipalities
Transaction hash:
4e92a85a8fa68ab1a4fd02b656eb4a2a1b921b046d6b0d842ce595c0246b316c
Status:
Included and unchanged
Block:
#5,991 22 blocks after it
Position in block:
Transaction 253 of 871
Award day:
Nov 3, 2025 (1 yr ago)
Value:
₱1,997,429.87
Project:
Construction of Mangyan Center
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 #5,991 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)MUNICIPALITY OF NAUJAN, ORIENTAL MINDORO awarded it to RJJJ ENGINEERING SERVICES on 2025-11-03.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 Naujan 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 4e92a85a8f…6b316cnow …
- 2. Block Merkle root changedstored cd21cc7978…94630dnow …
- 3. Block #5991 hash changedstored 32cba2a877…8cb92anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 870 records. Each step hashes the current value together with the sibling shown.
- leaf 4e92a85a8fa68ab1a4fd02b656eb4a2a1b921b046d6b0d842ce595c0246b316c
- 01 L 4e7bdf39f626d23c532d17129d3c494c3c4223c60ddfeebaf82f286a950c17a4
- 02 R ec1c13e6c097431d0216bfa4b7b7fee90da64f9ba820ffa370ecad8769e34043
- 03 L c58564db58850457ef8e636002b03138dc47c2b56a631c6a093c7662c8f177a8
- 04 L e37b4ca58303cab633c3a7a269578c33dd8f5be70cbd8b06a8d145a53cc866fc
- 05 L 5af77d8bfb36000d8ccfa22f881851fdf17362ec9059d69c610a61c1c3f800bc
- 06 L e8b5e9e5eb9636713ff06aa9482076cf5ddced47c89ae2ed4c14f4914de4da8f
- 07 L 83022c3404881f872c8b4f24a6b18c07413256b8b551a923a9f26d3ae7a615a9
- 08 L 86b1c3cd4b7aea3d439a396785e877b6881f6a05532ef0eee3914520d2b5ba56
- 09 R e3d259b466381f27515567a8df4592b1e7fac3ea2406b5343a5c6921c2bd29ed
- 10 R 4a64232d342e6281faefabf613db1e7642b0e13c6df514379a4c54afa28b9b1d
- root cd21cc7978142c2e1ec5da05bfc0e8034f3d0b859195fabf4c4ac2147694630d