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 ₱2.0M contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities
Transaction hash:
56cb71e94331cc8a4df182820efe0e523f869f5edf3a388aaf3ef02e775adb34
Status:
Included and unchanged
Block:
#3,907 2,106 blocks after it
Position in block:
Transaction 79 of 213
Award day:
Oct 15, 2019 (7 yrs ago)
Value:
₱1,997,224.67
Project:
1
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 #3,907 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 2019-10-15.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 56cb71e943…5adb34now …
- 2. Block Merkle root changedstored 3ed3a6b089…4b7549now …
- 3. Block #3907 hash changedstored b3bff8fefc…2af60bnow …
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 212 records. Each step hashes the current value together with the sibling shown.
- leaf 56cb71e94331cc8a4df182820efe0e523f869f5edf3a388aaf3ef02e775adb34
- 01 L 53914bbc33f994835e8983a1ce3cb27f2f473f2a3b000b619f1f28b1aded39c3
- 02 L 2b0c69f373d41b712e12c28f6c8ef9343e3cd364bf96b634cc186fb7b28ed098
- 03 L 8cbeb58f990e7fc802dee2e78fde1457df981b1c869f09a2aed3b1a70f2abc5b
- 04 L 5f24571130268145c421735636bd300cef909e3a677e477496685e3dee3713a0
- 05 R 8cf30cffe6e1f704fa0bf5b48af4d33137ccddbab92403123203729c018fc1f1
- 06 R 7418e9579da787bcd24366469d42fc1b5e5960a3952004a3252863ef9b532ac2
- 07 L 95353e09a2191444f1bef3e63ff15c925bedb78987def08456145dd7dbcd5729
- 08 R 00cfdabe53e7e751538a006bd95595c0574293b630e414a5bcf7ba26351bed9d
- root 3ed3a6b08961954fa5e89b0a09b7dee327bbade9ebe13bda052958b7054b7549