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 - LA UNION 1ST ED Award a ₱12.8M contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
73bc8ea74a9f4d19c7744cb248ac0766a70476863e19705973d9f22a3f879452
Status:
Included and unchanged
Block:
#4,473 1,540 blocks after it
Position in block:
Transaction 108 of 221
Award day:
Jun 8, 2021 (5 yrs 5 mo ago)
Value:
₱12,750,132.62
Project:
21AE0075 Civil Works
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 #4,473 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 2021 DA FMR", i.e. the FY2021 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 - LA UNION 1ST ED awarded it to E. E. MADAYAG CONSTRUCTION on 2021-06-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21AE0075: 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 2021-11-25). 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 73bc8ea74a…879452now …
- 2. Block Merkle root changedstored be8193fdde…2ec958now …
- 3. Block #4473 hash changedstored 04666ec217…5ce446now …
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 220 records. Each step hashes the current value together with the sibling shown.
- leaf 73bc8ea74a9f4d19c7744cb248ac0766a70476863e19705973d9f22a3f879452
- 01 R 74179be83b594604775b5b655026213da1b848417e4b0abe394bc2d52f3c871a
- 02 R 19e4c5ea75ecada991f37fbac924aa77cb8dbcef4bcf0673559f88de124b393b
- 03 L fabba171dd95e1dc7302f911de7ce7558615c7ee7620cff9415758c105047800
- 04 L 21ab51bb4df0e9610a05cad975d42690f22a1701d850c9569eeaaa4f569cdc82
- 05 R 755c580cd7008e38eaed50cf2dac5196fb7ffa9aeb83941c4460e1876afd26ab
- 06 L ed7ae81cc942a3e558ffe99036ec6051d0299c2d7ea76afb850657a8e02e6882
- 07 L 81379dff04c51ed54fda39022fee64f9cc27dd207dda994ed7683e769b8f2768
- 08 R 5de20b82de762a5785a6bf97c1f56753a20a51ab98cb163967612660a3a3f0fe
- root be8193fddec943ac1b6db54a0cace145bea9ee5f40bc949eaf3198681b2ec958