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 - BUTUAN CITY DEO Award a ₱4.9M contract to QUADCON BUILDERS AND DESIGNNational agencies
Transaction hash:
1be7dc16410fb7e1407751fc40088d257d444abc071f7f39e9fb669c0bae594d
Status:
Included and unchanged
Block:
#5,154 859 blocks after it
Position in block:
Transaction 62 of 452
Award day:
May 15, 2023 (3 yrs 6 mo ago)
Value:
₱4,944,326.17
Project:
23ND0052
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 #5,154 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 2023 CSSP", i.e. the FY2023 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 - BUTUAN CITY DEO awarded it to QUADCON BUILDERS AND DESIGN on 2023-05-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23ND0052: 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 2023-09-22). 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 1be7dc1641…ae594dnow …
- 2. Block Merkle root changedstored d9a18950ce…b55472now …
- 3. Block #5154 hash changedstored c5b2f67292…a56739now …
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 451 records. Each step hashes the current value together with the sibling shown.
- leaf 1be7dc16410fb7e1407751fc40088d257d444abc071f7f39e9fb669c0bae594d
- 01 R 1d8da2ab10b77d468eb48718b2465d5a935a2c7f250537ae6b894ac3af779648
- 02 L b57bd7b6eb299e56f17e801ac5232a7357a2296af08ee9a2668adbc427a8ec43
- 03 L 092f145875d806384a08e97868881ac1ea28ecc4d0c0bdad449356d905d6e86c
- 04 L ba797326503e82321b122dab2355cc3693ebb67a46d6a8e1eebcadf6721fb925
- 05 L 64079359b5f892e7e59c18d08ad1124cd05d73b039b2c8bf32414bc47ded5ecd
- 06 L 6c29124286fb3aaf306c70383b5885a8322aaaf200f37c4a1223f42412a2f99e
- 07 R 058960c7a8ce734d85306b5e5f6f4a98cbbf69c04fdff11002c918e00cb393ca
- 08 R 647d3950d077cd0119351eccfa4c61c0afb3c0f37f84df0d55446a5e60a0c2da
- 09 R eb741ce3a1cf2effc9abd66c7e21fb4f1bb2e6e9b5f8dc812a7f4dae57be39e8
- root d9a18950ceca9db533cf3f2cc0ee95d86cea0a0b3a265af68d6c42956bb55472