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 TAYSAN, BATANGAS Award a ₱97.1K contract to ROMABUILD ENGINEERING AND CONSTRUCTION SERVICESMunicipalities
Transaction hash:
6fc9f0ffb997e65be44d40f6b65218799f1d774eeceb34ef6da8b8fe1ab18326
Status:
Included and unchanged
Block:
#3,625 2,388 blocks after it
Position in block:
Transaction 190 of 411
Award day:
Dec 19, 2018 (7 yrs 10 mo ago)
Value:
₱97,110.00
Project:
CIVIL WORKS
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 #3,625 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 TAYSAN, BATANGAS awarded it to ROMABUILD ENGINEERING AND CONSTRUCTION SERVICES on 2018-12-19.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 Taysan 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 6fc9f0ffb9…b18326now …
- 2. Block Merkle root changedstored 4d7eab9f14…9af574now …
- 3. Block #3625 hash changedstored 583797853f…fc9293now …
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 410 records. Each step hashes the current value together with the sibling shown.
- leaf 6fc9f0ffb997e65be44d40f6b65218799f1d774eeceb34ef6da8b8fe1ab18326
- 01 R 7027520d6220e18858baca260e83f4bd6eddcd86aa381916cd6bd10a35cc4f18
- 02 L 99995cc5fe930265a878fba91ceabb03b95947e1c5b4373202aa22ad2cf17be9
- 03 L 5310ff2cbe50e738a6175df13507131f9eee950e3209363ad735c64010624b86
- 04 L 7465f07ee5b42b6d9edb22f52dd46726d1c6536753b425752eac05d9a138ed27
- 05 L 8a06ed42f034aae273c6c41c9339c49b6c41354fe7b0116336f68d0759b27173
- 06 L f1de1c8e9cc193f09496dcf809da601afcc6605890e5bdb4df32706f8610a27b
- 07 R 38d246db920df12eb834db05230c4b4a3e48bb13a03f1f82740bbbf140ca2c7b
- 08 L f70e16e38464362cc70f18ce9bca7ae0040351fa06e9db4cd9a51d1e2e0b018b
- 09 R 3ee09562adce739a11b29b88c25811e15582fecf799213033c6551bf7274159b
- root 4d7eab9f14389a923253488d9c92b68ff0751ad77c3f32256c39662b999af574