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 - ZAMBALES 2ND DEO Award a ₱9.7M contract to ZAMBA CONCRETE BUILDERS INC.National agencies
Transaction hash:
76943ec8fcf01e6b18f1a1ee2ed39d2685f7ca2d7b9ae65adf93f8956c44419d
Status:
Included and unchanged
Block:
#5,411 602 blocks after it
Position in block:
Transaction 171 of 399
Award day:
Feb 8, 2024 (2 yrs 9 mo ago)
Value:
₱9,663,982.45
Project:
24CM0022 - Bridge 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 #5,411 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 2024 OO-1", 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 - ZAMBALES 2ND DEO awarded it to ZAMBA CONCRETE BUILDERS INC. on 2024-02-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24CM0022: 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 2024-05-22). 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 76943ec8fc…44419dnow …
- 2. Block Merkle root changedstored c463c55db6…fda070now …
- 3. Block #5411 hash changedstored 604399aa4e…ed3042now …
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 398 records. Each step hashes the current value together with the sibling shown.
- leaf 76943ec8fcf01e6b18f1a1ee2ed39d2685f7ca2d7b9ae65adf93f8956c44419d
- 01 L 766993bba89c6bb0e7bb0ba39af3725be5fe6db7fa88d29c3988a4122f38eeec
- 02 L 2ce5f37d0a31a74b820ec4805ede682eb5358d1842acae4527ab6776ea78ab8c
- 03 R 2a5ebb816fce427e3ad088493676e256aceb360efc2825ad97d4abc0289e000c
- 04 L 99abe80d42f0e985fc8b79150515a8d0ad224d706624c081d0a13547d1e9877a
- 05 R c22b6efc382870ff627ecfd338c8b0663ca09dc28be39ee90481644e30b00179
- 06 L 06ea16cf62ed2346b1237dc17926486b9dc2f4262893252a9af3c69dac2538fc
- 07 R c62a61c6e4f04c74f4b33d7c2c6d0e2e1e7883b123afa189f8578fb7e17dfc4f
- 08 L 4180952ad6ce44d7dac9419ed1914fc4601acd10a9743222e4331730b93d8925
- 09 R 52ac89530a590d022137e0016e856da9e3bb4c99a7c688e472bdbf8b29c1f30c
- root c463c55db6b504896b4bad88755bb5def642225dab0fb91e069aa94e87fda070