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 - NUEVA VIZCAYA 2ND Award a ₱183.9K contract to Q.C.D. CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
fe6cd512c2e72b1dbad40d23e5308bc98f7062e60914ec38ccae07de80698685
Status:
Included and unchanged
Block:
#4,136 1,877 blocks after it
Position in block:
Transaction 179 of 184
Award day:
Jun 18, 2020 (6 yrs 4 mo ago)
Value:
₱183,878.88
Project:
B. Baan Elementary School
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 #4,136 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 - GAA 2020 CSSP", i.e. the FY2020 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 - NUEVA VIZCAYA 2ND awarded it to Q.C.D. CONSTRUCTION & SUPPLY on 2020-06-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20BJ0057: 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 2020-08-20). 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 fe6cd512c2…698685now …
- 2. Block Merkle root changedstored 5d5315b7c8…a082f4now …
- 3. Block #4136 hash changedstored 72af85e71d…45aa58now …
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 183 records. Each step hashes the current value together with the sibling shown.
- leaf fe6cd512c2e72b1dbad40d23e5308bc98f7062e60914ec38ccae07de80698685
- 01 L fe061a70eb6c8c1544f7781bda9c02db401b827a60dfd084cd418da5ac14a4cb
- 02 L 13cde7e01068c94ee4ca8fa7e774972e8ead61893ec3b1fbb9e6e207b4039867
- 03 R 45ecb330d4dd31cf6604aa88d83b03cc43936b94ce414709c78c314e2facdad2
- 04 R a028b40c8b61e32e150164135e28d7200c468dd508775ee0f7062426410eaaf5
- 05 L 430c3f1393251025f5086f2417ec88f9aa9581de37f79e8fe78d71d16589a2b8
- 06 L b30fe8ee9928acd5a010cd7f02b82f85081c26a9511c5044f5297f8086e4c94e
- 07 R ba0b0b02bcea71bff82537174241a8931a98175bf5e8a321534e10dafc47e913
- 08 L 6f87a814ddea79437485a69cad6f2ad60f8bd0a4ef34f320e5e4b98808069f91
- root 5d5315b7c88857884cccbb0cbc657e2ab8cb815d6bd8f681b06fbd13b4a082f4