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 ₱5.9M contract to ILFREO CONSTRUCTION CORP.Cities
Transaction hash:
e07aef68536db82dddcd95e6e21434392cfe4ccae06de35ca2d4ac240610ab3e
Status:
Included and unchanged
Block:
#4,494 1,519 blocks after it
Position in block:
Transaction 279 of 312
Award day:
Jun 29, 2021 (5 yrs 4 mo ago)
From:
Value:
₱5,948,392.68
Project:
Improvement Senior High School Building
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 #4,494 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 CORP. on 2021-06-29.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 e07aef6853…10ab3enow …
- 2. Block Merkle root changedstored f81700327d…4162eanow …
- 3. Block #4494 hash changedstored c78f7e8568…593b77now …
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 311 records. Each step hashes the current value together with the sibling shown.
- leaf e07aef68536db82dddcd95e6e21434392cfe4ccae06de35ca2d4ac240610ab3e
- 01 L dfff92c87a6febad9e946668cf9475f6897cd51a659da5e40da229047c3aab22
- 02 L 52ae5e94e0e9d21fa7564d99522ca6216b86619c07c7570c3608b422e0527a1a
- 03 L bcbfa33f611d549d5e20609ca650c6e521e4e9529916115f6fb1df12d59c9bdc
- 04 R fa291fd01d6d9f2133585a01bc397c9721538b9c66aa2f608a1b753171c3e9b6
- 05 L 10fc232e0122db7503064d6fb4774d60121c1dcbc2f651596ac097f02e48b3a5
- 06 R 7437b6bed32f84f8ca318106cf379b7dee0948a1b082dbbbf4bb83a1bdf977cb
- 07 R 488dee28bf993a92a3e09f0d2aec6b0116da4cb066a4f338b17b24883f6adf8c
- 08 R 6accf896a3f08a5d916b1a792bd70aad9ace60ba5ba10951212f1cb05d7bc30c
- 09 L ff69444c07694fa45925657095e630425d571d663dc3de7866f204c258c83bce
- root f81700327d3121d13aed040270673625e01fff037c87b75f633c40fef14162ea