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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS IV DEO Award a ₱4.8M contract to MAC BUILDERS CIVIL ENGINEERING CONSTRUCTIONNational agencies
Transaction hash:
ae14af1371fbb9bf93a8f5bdc01c23acf034ff69c883e78bc3aa651acf6cf95e
Status:
Included and unchanged
Block:
#5,196 817 blocks after it
Position in block:
Transaction 309 of 467
Award day:
Jun 26, 2023 (3 yrs 4 mo ago)
Value:
₱4,802,030.19
Project:
23DD0271 (Re-Advertised)
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 #5,196 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS IV DEO awarded it to MAC BUILDERS CIVIL ENGINEERING CONSTRUCTION on 2023-06-26.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 ae14af1371…6cf95enow …
- 2. Block Merkle root changedstored b1023fa70c…febfc6now …
- 3. Block #5196 hash changedstored e8df68fc46…2a3651now …
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 466 records. Each step hashes the current value together with the sibling shown.
- leaf ae14af1371fbb9bf93a8f5bdc01c23acf034ff69c883e78bc3aa651acf6cf95e
- 01 L ad41005d4afd4fcd101dbad53c0036c9e2ca3fa5e7c01ffbcc8af4d6a1d348d0
- 02 R e8926ac1985ff9d431e76cad7ad32d0bc4ffcbb31459513212023a060f5fb056
- 03 L d09328e5c56dad27bd39e1494db78d726b05e039427cece78f754899dcdff1d6
- 04 R 3220e20d34db7cb5abf3360777589b1f270e0c1cf359918e5e35815ba6fdf01c
- 05 L b4cd7dec8b9ba3bfd0614e8e8f36b41d5fe1fe98882adf829382e1a21cf78b51
- 06 L d926a74e40f8e37f7b07e8e01040fcfc3387e78c73097fb6e7f99ec93f9933d3
- 07 R 22e8c62813f4bf11cd8702694106bd42f027e47bfb7c87d6f67d7986218fc730
- 08 R 17f770d74a26b29768375a18ba5c4a6e3e35124c38d5f4066a87bbd5f1dc7dfe
- 09 L ecea12a229476e557653bfe53a7f82ef32d15bd8e2983f18dd8f2d7117db8be3
- root b1023fa70c29913c902b7fc9cc85142b8b4dca692c976fbac43fddcc76febfc6