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 IBA, ZAMBALES Award a ₱8.9M contract to ARCEGA CONSTRUCTION SERVICESMunicipalities
Transaction hash:
36738dfd11f9b4b72c4703606987821a12751ebc39bf1acff862f16402c7b9fb
Status:
Included and unchanged
Block:
#4,297 1,716 blocks after it
Position in block:
Transaction 15 of 71
Award day:
Dec 3, 2020 (5 yrs 11 mo ago)
Value:
₱8,944,874.20
Project:
INFRA 2020 - 10
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 #4,297 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 IBA, ZAMBALES awarded it to ARCEGA CONSTRUCTION SERVICES on 2020-12-03.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 Iba gave a "not stated" 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 36738dfd11…c7b9fbnow …
- 2. Block Merkle root changedstored eb6a3f7518…8f0369now …
- 3. Block #4297 hash changedstored bcd93401ae…ff28a1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 70 records. Each step hashes the current value together with the sibling shown.
- leaf 36738dfd11f9b4b72c4703606987821a12751ebc39bf1acff862f16402c7b9fb
- 01 L 2f4d027b2f6e015354cc5636db0e8b4712a5db40394dd21e0e75563aac5531de
- 02 L 75cbe97aabe4d7ca6c66e78d1479b35caa390f6039d549839567c2147adf5126
- 03 L d594dbcb264f0b60477940df752dbb8be70e543d243153b7f46f34e970b97554
- 04 L 14d0c13eba1be3a750eed5bda3fa830ad816703d5abdb5950fea8722c1026f3b
- 05 R 8d7430e9308483a4dc44c08a1cef0992061698a44021276f66cb9ec2fb466e9c
- 06 R c13c4fdd83858c62d7cc2fa23707ac924d1fdc331727fcb5f4faa3bd28e56850
- 07 R d6383a937814c300304987a878da3a7bedabf4b806feea0972508f0707636a3e
- root eb6a3f7518570f332afb4c9c142589cd6bca5ec01972f49cb58337e0a68f0369