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
MUNICIPALITY OF POTOTAN, ILOILO Award a ₱514.7K contract to MICRO-ASIA BUILDERS CORPORATIONMunicipalities
Transaction hash:
9fb9d5fdc7ba4da28a4d2cfdb4fa4ec1e3eec85255f9ccdd22eb53be00f0e938
Status:
Included and unchanged
Block:
#3,916 2,097 blocks after it
Position in block:
Transaction 135 of 213
Award day:
Oct 24, 2019 (7 yrs ago)
Value:
₱514,675.31
Project:
construction projects
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 #3,916 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)MUNICIPALITY OF POTOTAN, ILOILO awarded it to MICRO-ASIA BUILDERS CORPORATION on 2019-10-24.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 Pototan 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 9fb9d5fdc7…f0e938now …
- 2. Block Merkle root changedstored 93dc1d6c1e…62b6c0now …
- 3. Block #3916 hash changedstored 764e6a0c5f…76290enow …
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 212 records. Each step hashes the current value together with the sibling shown.
- leaf 9fb9d5fdc7ba4da28a4d2cfdb4fa4ec1e3eec85255f9ccdd22eb53be00f0e938
- 01 L 9e2de4ea3808756c93157a82b4a05e104d6192e6957c012996723b03228c6f63
- 02 L d2be86028bfea276091cc707e8be3405454c9039cca1a69ec62ee8f48f7095f4
- 03 L 09c1409baebba72a2330c4d098ea1e4c4b594f33b8d8ebfaf34b08ac0645f1f1
- 04 R 0512d4031f6ef871c0d0a046ca1dfc1dcda468ca5fb2631cf1b28d9cec1c0ca8
- 05 R 4bd11ce9fe31841338b181c494a1ab064b16ddd9fa130646637405c6ff93e11e
- 06 R b572704273573f6562e841db6b62453e1e26132f042af800dcb72e27e488870d
- 07 R fac30ece5e38ebd5372c478c35641bf4fa0a6269fa423eebb11cb9e72bb13b5b
- 08 L 6a94476aa3c105824b5f74b0a5b4da90d759e3afc6cab2019e96cfe790dd3c7d
- root 93dc1d6c1e58975cb536109afd1ed63383e4e1f4b824abcfde823088dc62b6c0