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 SAN ESTEBAN, ILOCOS SUR Award a ₱9.8M contract to MBB CONSTRUCTION & SUPPLYMunicipalities
Transaction hash:
228a8a4dcdc449e239c6cf13d3a48601c44453e10afff542611e9791fceaeaa4
Status:
Included and unchanged
Block:
#4,130 1,883 blocks after it
Position in block:
Transaction 2 of 17
Award day:
Jun 12, 2020 (6 yrs 5 mo ago)
Value:
₱9,797,973.94
Project:
IMP/REHAB/DREDGING OF CAPPA-CAPPA NAT. WATERWAYS
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 #4,130 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 SAN ESTEBAN, ILOCOS SUR awarded it to MBB CONSTRUCTION & SUPPLY on 2020-06-12.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 San Esteban gave a "unmodified" 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 228a8a4dcd…eaeaa4now …
- 2. Block Merkle root changedstored e80057f4d9…33b1c2now …
- 3. Block #4130 hash changedstored 53548cd3e8…c953ffnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 16 records. Each step hashes the current value together with the sibling shown.
- leaf 228a8a4dcdc449e239c6cf13d3a48601c44453e10afff542611e9791fceaeaa4
- 01 R 2f5a489e90b0e8ba2a29a5f1ce5796b11db837882e3844a161f60f551c2c8c69
- 02 L 5966f858735726732a34f0861ffec144ae5ca618da22af525e4ec3a260dcb09f
- 03 R a6896ba36354cfa8ac2700c647467bbe8da294c7c02167e890cc0be0db1577ad
- 04 R c97998ea0770dbdde26c69079b987d9169a01132783169c389e52efc343cbb1f
- 05 R a70c7116e71ffac0615ef799ca86ffce54a8b7898b817536218e87ff78db5aea
- root e80057f4d9f5a48751ec0d0bb108d835569b85271eb91f4e01ee5b7ec833b1c2