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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED Award a ₱18.4M contract to D.R. ROBLES CONSTRUCTIONNational agencies
Transaction hash:
bbddc15403eb05c7efdb28f406982c07175e7342e2190c7c92e26980138b70a1
Status:
Included and unchanged
Block:
#3,080 2,933 blocks after it
Position in block:
Transaction 143 of 202
Award day:
May 19, 2017 (9 yrs 5 mo ago)
Value:
₱18,423,949.25
Project:
17OF0045 Construction/Maintenance/Rehab. of NLEX S
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 #3,080 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)DPWH lists the funding source as "Regular Infra - Flood Control: Construction - Drainage (e.g., Closed and Open Conduits, Spillway), Roads: Rehabilitation - PCCP". The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED awarded it to D.R. ROBLES CONSTRUCTION on 2017-05-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17OF0045: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2018-01-30). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 bbddc15403…8b70a1now …
- 2. Block Merkle root changedstored ecaae74473…2d08ffnow …
- 3. Block #3080 hash changedstored 38491fcfbb…0f530fnow …
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 201 records. Each step hashes the current value together with the sibling shown.
- leaf bbddc15403eb05c7efdb28f406982c07175e7342e2190c7c92e26980138b70a1
- 01 L bb5629a39ac84168b09a9f89157f2d56fcb42b4fd3bc22c5e3855747425a675b
- 02 L 2cc88a7787dc5dbf16b3b56e225b42edd87cb96fa9b461600c787f74541000d1
- 03 L 59983264008cbed2399764263eb75e34ea2f9a1b7600b78e2e0f32952ff7990a
- 04 L ad8261a079805b594a0bd8f54e0438f59bc192c646e88522f407f8731c5c9a1c
- 05 R 1f70f5c1261bb6cc60cdc9a9190dda1a3451526af16a17880a9a115da45167d7
- 06 R 950e0e28a26119020e62f264d4713100cbd9a1ab0964770b4fcd53cf92d20e77
- 07 R a51c8012abf841fc033b4c0e223ac0debf8ba3fb8a7411043a7bbaa95ef8b966
- 08 L 208414b935ceb7ec8b97a459027aaac7bd03ac65a1fa2fe0dec4e2b897bce399
- root ecaae74473b4746e869699d34365252d65d7f8e6983ab07efe36fe0e472d08ff