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 - NORTH METRO MANILA Award a ₱47.8M contract to ALLEYWAY CONSTRUCTIONNational agencies
Transaction hash:
ca8dfec6e97fe6387d8ed235480ab1bbe13353f5934a957df3452adc22eef1f2
Status:
Included and unchanged
Block:
#3,466 2,547 blocks after it
Position in block:
Transaction 189 of 231
Award day:
Jul 3, 2018 (8 yrs 4 mo ago)
Value:
₱47,753,751.98
Project:
Local Program
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 #3,466 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: Construction - 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 - NORTH METRO MANILA awarded it to ALLEYWAY CONSTRUCTION on 2018-07-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18OE0172: 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 2019-04-04). 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 ca8dfec6e9…eef1f2now …
- 2. Block Merkle root changedstored 65f1b5ac0f…5a992dnow …
- 3. Block #3466 hash changedstored fd6009816e…bb2fc4now …
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 230 records. Each step hashes the current value together with the sibling shown.
- leaf ca8dfec6e97fe6387d8ed235480ab1bbe13353f5934a957df3452adc22eef1f2
- 01 L ca5e347c2c7219caefa529554278d5507d8f8350d27c98f9e3d0295ec445ff33
- 02 R 35c67f103dc0f8dc83dac8608dda1c4f2af8976b60828ecc8c7db90b0b1134b7
- 03 L a29e8dc7e5f8ee8fa1cd29a643b991b01b32719483997c3ff9df0b3817659504
- 04 L dfa61e6b2f852ec6719c35400fbee86a61dad78f35712a8303be108bbdd3789e
- 05 L 107377e462a37cc9e9cc4405b1d26f5874815bb73f4abfd5b7def3eaca53fdba
- 06 L 3eed395debda4d85c53ea6f6a6a103b16e2007e8ea94e503e0244b66bae6479b
- 07 R b5f1d002a6b586e5b7115e42bda44f3e857f2073ff2b7ac994eff1f1c59bf0c1
- 08 L 4ee0f6d949217500a99eb4033fe7c3822ed6f5ba8a894d4e76ae86debe3920b9
- root 65f1b5ac0fc42791ab05f093cfe3847a4a501aeb7385c89ffe0276dd1e5a992d