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
CITY OF LAPU-LAPU Award a ₱70.3M contract to WTG CONSTRUCTION AND DEVELOPMENT CORPORATIONCities
Transaction hash:
0a71bbc2e97d0dd5e60aea6778d56ae16bd0e7dfd8c2ec1cb050a0a0d3f20419
Status:
Included and unchanged
Block:
#4,113 1,900 blocks after it
Position in block:
Transaction 0 of 57
Award day:
May 25, 2020 (6 yrs 5 mo ago)
From:
Value:
₱70,309,471.16
Project:
Installation of Drainage Line at Sangi Road to Ci
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 #4,113 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)The award does not say which budget line pays for it.Not published
- 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)CITY OF LAPU-LAPU awarded it to WTG CONSTRUCTION AND DEVELOPMENT CORPORATION on 2020-05-25.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Lapu-Lapu gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 0a71bbc2e9…f20419now …
- 2. Block Merkle root changedstored c7d543a218…f63f6dnow …
- 3. Block #4113 hash changedstored cfaca5cebf…39bd3cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 56 records. Each step hashes the current value together with the sibling shown.
- leaf 0a71bbc2e97d0dd5e60aea6778d56ae16bd0e7dfd8c2ec1cb050a0a0d3f20419
- 01 R 13c2077df2e2855ac7790f9c8391c13cdc9c3175efa8fa277ad9f9a7641a2ba9
- 02 R 2c925d4c626c854a7401aa68b07b0ab73fbf4677adc4dca77869572a998ad147
- 03 R c3279d7473e8602bc7c3c7547140234550fa9b2bd3a94f641896f90fba32dc85
- 04 R 12794888a8253472784c9e7e94e686f4ce815600bc52fc537e2ee70ddc378d82
- 05 R 82cac25aee339ea5612957de585f15593852cc9c780651984a2a1dddd0a69c12
- 06 R 778d69e445c2dba791baf9ba8ab530b44772a6d3ae691cce847e5cafa13a60f9
- root c7d543a21850632208f124d3171b228e1a28af724bf926a9a3685b3765f63f6d