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 JUAN, LA UNION Award a ₱6.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
71b7929e136551382e2cbcdcc7d8be0b4755c392fd3a16803c32be6b05c13d3d
Status:
Included and unchanged
Block:
#3,385 2,628 blocks after it
Position in block:
Transaction 11 of 21
Award day:
Apr 9, 2018 (8 yrs 7 mo ago)
Value:
₱5,988,729.05
Project:
Diversion Dam_Bugbugcao
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 #3,385 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 JUAN, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2018-04-09.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 Juan 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 71b7929e13…c13d3dnow …
- 2. Block Merkle root changedstored 27bcde9bfb…2053e5now …
- 3. Block #3385 hash changedstored b1ee3a0d7a…4df5d0now …
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 20 records. Each step hashes the current value together with the sibling shown.
- leaf 71b7929e136551382e2cbcdcc7d8be0b4755c392fd3a16803c32be6b05c13d3d
- 01 L 6db7013d49d89c15fa2b8c414bb5b6989577188b508c259a2b583d341283d938
- 02 L 4b46c6ad2a5c930b52989ec164f26652e77d876944b65e5ab14d1d932e6fa593
- 03 R fffc4e60af4ca59ea5fe4a3ccfef9e0c8532924b9abad0b5df6cf68f6c7ae916
- 04 L d6a6673eb3a211f4ff8c85dce11f596dc66603bb1214a64ee3dce9f8cc2eac33
- 05 R 0189d9edf4c158c59d550691be23e05fbc9f432423e5d79792cddcf9419ea0bc
- root 27bcde9bfb4e18c6d5e8a4590e86b2552d13a39c3b29e335667d98bb942053e5