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 1ST ED Award a ₱4.9M contract to C. VILLASEÑOR JR. CONSTRUCTIONNational agencies
Transaction hash:
b6a0b9d7bd78feebd2dc3e99ee8f8005468dd0b881d6d5f7cdd77a2cb74099d1
Status:
Included and unchanged
Block:
#5,475 538 blocks after it
Position in block:
Transaction 340 of 474
Award day:
Apr 16, 2024 (2 yrs 6 mo ago)
Value:
₱4,875,200.33
Project:
24DK0061
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 #5,475 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 "Outside Infra - GAA 2024 DepEd BEFF", i.e. the FY2024 GAA. 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 1ST ED awarded it to C. VILLASEÑOR JR. CONSTRUCTION on 2024-04-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24DK0061: 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 2024-08-12). 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 b6a0b9d7bd…4099d1now …
- 2. Block Merkle root changedstored e201d1e5ab…9dc926now …
- 3. Block #5475 hash changedstored 3cfb7bdc76…05f48cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 473 records. Each step hashes the current value together with the sibling shown.
- leaf b6a0b9d7bd78feebd2dc3e99ee8f8005468dd0b881d6d5f7cdd77a2cb74099d1
- 01 R b6b1dec8dd3afb09334359da678dd55d305f75829cad2450112448f87270a986
- 02 R 0756b87b557e05c13ad25cd6ace144c1436cdb498efe73ee35259a2b12d2484e
- 03 L b5fa91dfafdd1c21c9a0391cb79cbe535ea3556a17e493dd4850dc85560e3f34
- 04 R 0ff362190d49bb1d73124b614f0f113376807eaa4940c911475ed79277316bc1
- 05 L fcd4b3aa3c4bd5f8df6bbca56296e34fd71cb8b91aadc0072e18efbf31836572
- 06 R 60bb4e2320aeaa465964f3834b11e7592998113bd1ee1be666f2896cd1fe7617
- 07 L a2013b39d643568f39037a7f535dea0b69d570567e7728fcdff23d6fbe5f5df9
- 08 R c5db92b9de5a881ebd22b78e495caa1b9af0a6798f9b67040453c150d7d30833
- 09 L bc63f36d8caa2e9eff1beb1b4a33a76ab3f1c69e80ef1eeaa8329e5249a321ef
- root e201d1e5ab0593d4ba6f35ae939006ebc0ab20510f8ae25e1bbb96ea629dc926