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 TUBAO, LA UNION Award a ₱1.5M contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities
Transaction hash:
9507d2def259321175f5acf37e88eeb73164da5f479de191ca05c8c2b8e98cf2
Status:
Included and unchanged
Block:
#4,603 1,410 blocks after it
Position in block:
Transaction 113 of 186
Award day:
Oct 19, 2021 (5 yrs ago)
Value:
₱1,498,974.96
Project:
CONSTRUCTION OF LOCAL ROADS- STA. TERESA
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 #4,603 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 TUBAO, LA UNION awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2021-10-19.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 Tubao 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 9507d2def2…e98cf2now …
- 2. Block Merkle root changedstored 38b97b1d93…86da5bnow …
- 3. Block #4603 hash changedstored de36f90fd2…ce7e28now …
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 185 records. Each step hashes the current value together with the sibling shown.
- leaf 9507d2def259321175f5acf37e88eeb73164da5f479de191ca05c8c2b8e98cf2
- 01 L 941d57842924053e162977f61a80ab613ca19cd2baba33d764879f8f4e35c03e
- 02 R ae379d501d65b3990d58867db2978c5fef34d779bd7ea204c0187d8aa6824366
- 03 R da6e78b10a08463c1ed2600f0ed4f0c7c6fb28e92fc91bac7a38762ffa9c1fad
- 04 R d3949153d9835c5493927d8eea67a5e9cc3d26e53284127457039c2cb347082e
- 05 L 35ff85ecfca0ed3b9ff51e32d82a66c04bb66a1daafe470f7f200c8fc89047cd
- 06 L e0c3450fb75341effbf177ab968c92cf6be48eec1f49ec7582bd86d3bcebe331
- 07 L be17cc5e7f2ffae7948e92547ce1a84088f09402d47787314876eaaecc34ce27
- 08 R 4a161fdc6cd5e49805d055656d1e8edb35798afbe1adbe74115332c05d6b134e
- root 38b97b1d93fd9f0f06a74876120ebb9f32130373649bf09ff88fefe96886da5b