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 PARAÑAQUE Award a ₱1.5M contract to ILFREO CONSTRUCTION & TRADINGCities
Transaction hash:
7de9f33d3d79947ca18265986d90090e5e06a9bff2d7782a91ae371cbddca0ca
Status:
Included and unchanged
Block:
#2,939 3,074 blocks after it
Position in block:
Transaction 152 of 310
Award day:
Dec 19, 2016 (9 yrs 10 mo ago)
From:
Value:
₱1,524,885.31
Project:
Landscaping of Various Areas / Paranaque City Hall
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 #2,939 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 PARAÑAQUE awarded it to ILFREO CONSTRUCTION & TRADING on 2016-12-19.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 Parañaque 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 7de9f33d3d…dca0canow …
- 2. Block Merkle root changedstored cd526839c1…0b1fc7now …
- 3. Block #2939 hash changedstored 10b3867b54…9af472now …
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 309 records. Each step hashes the current value together with the sibling shown.
- leaf 7de9f33d3d79947ca18265986d90090e5e06a9bff2d7782a91ae371cbddca0ca
- 01 R 7e2cfd6f7fff882c74cf4822c6d23bc63c32a3f2acf8747667efe05fa45e0484
- 02 R 686db39591ba09d4b8ada0e06549e0d0fa57ade161a806fc4bb8c2919511e1bf
- 03 R 1f6519f0964d3e3829b0b20d538320bbbac01ed4880f023ccb6420679ccced67
- 04 L f3800373427c0307cab4a76b009addb51cf0b09642882e2fe3a6b1ebe4f9b56a
- 05 L 9ebe2c38462dd2e4a5afed4241a76830a126341ade3fcbd11febf0145f1a5952
- 06 R 8d654b02502b6be3d5f9864f35a01961c15f3c51a50f9addf76a93005ac7f83b
- 07 R f6b806f1426d77317be81139904996570bd2e23e30c72d91839dfc673780b7a9
- 08 L c16571b1c2a3641742cc1448df8d2a95f328574c2184f7ecb0014b6f70b5946c
- 09 R b2d6c38d2bbd06cda0127e268e3a40c1bd8507d5ac7c7b5342587d96665c87f5
- root cd526839c1f6fb262c57ab55ffdaa80b03b22e8e150e47f9e5fca0c97f0b1fc7