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 LOPEZ, QUEZON Award a ₱2.0M contract to RIVADULLA CONSTRUCTION AND REALTYMunicipalities
Transaction hash:
54f99e8aedd802fc9ce999a3309ba3dbb7840bb11c0e0f62892c251dfeb6f121
Status:
Included and unchanged
Block:
#4,903 1,110 blocks after it
Position in block:
Transaction 100 of 291
Award day:
Aug 30, 2022 (4 yrs 2 mo ago)
Value:
₱1,994,448.33
Project:
Repair/Impvt. of Public Market Roof w/ Solar Panel
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 #4,903 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 LOPEZ, QUEZON awarded it to RIVADULLA CONSTRUCTION AND REALTY on 2022-08-30.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 Lopez 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 54f99e8aed…b6f121now …
- 2. Block Merkle root changedstored 95c692f89e…825096now …
- 3. Block #4903 hash changedstored 4635cd92c7…29b6f5now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 290 records. Each step hashes the current value together with the sibling shown.
- leaf 54f99e8aedd802fc9ce999a3309ba3dbb7840bb11c0e0f62892c251dfeb6f121
- 01 R 55c83c38fdd032486263ea3292b12ef4e1cd977e65ee4046612b914fbb830307
- 02 R 01e9e3318fc57bfde49b83718687991c98d45b420193d0d29151e1e789381142
- 03 L 9431ac69f9c5a81a99563455a73b37e4456a3728bf4244f1ef9a0d071112e6e6
- 04 R f147b1ff99e1a016231c04a8f377d8372694f3d33d3fa0f833a4a72ed65731f1
- 05 R a83fcb672ce1ff5aeab835a7e5409412308a0a023444904ea64396e92bf521f4
- 06 L cb88136ee7df12a6ad29ef449809e8f51564b3ca0c8e2021441a2f2a794c392d
- 07 L c6cc3128b3eeb4c5a23db15b68148b11506ecf49ba46faea586fb805c80c12b2
- 08 R 972eca8be796c0fb4d390665b14500d88fef06774235f42ec0d20271bcf10d86
- 09 R d32ba029b76617d8639cd6246839a63294e96af1814a543d299963e5887ac676
- root 95c692f89e523d6327b959352e8518675f4ca35a1ef1e9669989481f4e825096