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 ₱435.8K contract to SPRING STAR CONSTRUCTION AND SUPPLYCities
Transaction hash:
98b2a2bd4771850d29a111ac86681afa10268ab28d5c5f4f8e45aabd0efe5088
Status:
Included and unchanged
Block:
#2,779 3,234 blocks after it
Position in block:
Transaction 137 of 216
Award day:
Jun 30, 2016 (10 yrs 4 mo ago)
From:
Value:
₱435,793.26
Project:
Installation of Roof Eaves, Glass Jalousie Windows
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 #2,779 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 SPRING STAR CONSTRUCTION AND SUPPLY on 2016-06-30.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 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 98b2a2bd47…fe5088now …
- 2. Block Merkle root changedstored 23abc5f115…4150bfnow …
- 3. Block #2779 hash changedstored 72656bbd46…c7b136now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 215 records. Each step hashes the current value together with the sibling shown.
- leaf 98b2a2bd4771850d29a111ac86681afa10268ab28d5c5f4f8e45aabd0efe5088
- 01 L 97d884e8f12151bcc7de40bacf3081491b65a05c7a3268421eb6ed40c6ba5b22
- 02 R ef6c05214fd5b26be70290595bb5f38e68627903f0d016233f5daf89232e6dbb
- 03 R 0dcc1f1bc3e87595a91dfe25f988050696735d9a95759588d7c9e767a9da5cec
- 04 L ccf22c350134299913aae0e0d6798f4920ff73612683bce504081d9fc33378ce
- 05 R 9e9aee4a073c9fd041a9eaab8d374a7cf693cce8c3b2d1d9417298331f3f01b4
- 06 R 24b643ac6b08b640393358c7a90269750bd7bf0a91575b7ad49551c9551754a7
- 07 R 8d6b535e3462c2cf9d259e1f155de9e6b3ac2de5949e853792401bb4ae4f4bd5
- 08 L 287b88fbe3d5007019756113d0781932dedfcedd28fbc4fca636cac08402b8b0
- root 23abc5f11522544cb525b1a878148b957940ecc6ec998f77d26c52c0fe4150bf