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 - DAVAO CITY II DEO Award a ₱5.0M contract to R.C. MELGAZO BUILDERSNational agencies
Transaction hash:
2eb615282e416158507fb97fbfaf10ea6b5b9e38cf6fd773f603d13ec87df83d
Status:
Included and unchanged
Block:
#4,198 1,815 blocks after it
Position in block:
Transaction 30 of 195
Award day:
Aug 20, 2020 (6 yrs 2 mo ago)
Value:
₱5,017,999.87
Project:
20LH0099
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 #4,198 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 2020 DepEd BEFF", 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 - DAVAO CITY II DEO awarded it to R.C. MELGAZO BUILDERS on 2020-08-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20LH0099: 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 2020-11-06). 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 2eb615282e…7df83dnow …
- 2. Block Merkle root changedstored 832617480e…68366bnow …
- 3. Block #4198 hash changedstored 0e9cfde715…2ddb77now …
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 194 records. Each step hashes the current value together with the sibling shown.
- leaf 2eb615282e416158507fb97fbfaf10ea6b5b9e38cf6fd773f603d13ec87df83d
- 01 R 2eb9e215a03540f20408aac05f83e2559857ea01c51f45405cbdd7707efa61ca
- 02 L 8bb5f72e516ca46f03cca03be22f0f7a492d170a45bd0b0d1ad735a0cf6e5eb7
- 03 L 84d094a335ec46e131cc3134f732efd3b662c6dac3c28906e13b58bda51bd032
- 04 L 2d168a0f62fb98b75558818c34f78d08d0d0220b08ad4ec828880dcbfb27b8b9
- 05 L 387ceb21d3c6bf23b1540a20129d7f93ad674da243ae373328e945ff9bbceefa
- 06 R d01d062210ac2a07184082ac965675d10b084c75f9fca68277b3b96b7360a6a0
- 07 R 9dbed04844c55ae3039fdb25c51b3572e00c1819851b13b40172640facd257b5
- 08 R 357bed4c7bdb38c1c8963e48cdb8af837762bc2eaf95994ca0d2808af695adaf
- root 832617480e96ceef43c1ca82b8c164a119158838a3fb6b3146df4c86b368366b