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 STA. CRUZ, ILOCOS SUR Award a ₱342.2K contract to NAM-AY CONSTRUCTION & GENERAL MERCHANDISEMunicipalities
Transaction hash:
77f156ceb17cdadbbc7a4293eb52ae18033fbda6061d59729d7007a075730734
Status:
Included and unchanged
Block:
#1,538 4,475 blocks after it
Position in block:
Transaction 0 of 5
Award day:
Aug 21, 2012 (14 yrs 2 mo ago)
Value:
₱342,191.52
Project:
Supply and delivery of materials for the construction of evacuation center and farmers training and sports center (Phase I), Quinsoriano, Sta. Cruz, Ilocos Sur
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 #1,538 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 STA. CRUZ, ILOCOS SUR awarded it to NAM-AY CONSTRUCTION & GENERAL MERCHANDISE on 2012-08-21.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 Santa Cruz gave a "unmodified" 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 77f156ceb1…730734now …
- 2. Block Merkle root changedstored 4d72a9dfa0…fb20e0now …
- 3. Block #1538 hash changedstored 6c64feee30…dba66anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (3 steps)
How this one record is tied to the block's Merkle root, without needing the other 4 records. Each step hashes the current value together with the sibling shown.
- leaf 77f156ceb17cdadbbc7a4293eb52ae18033fbda6061d59729d7007a075730734
- 01 R ae971439af85494eda85ac1b30c365dcf3e41aaddd0dc3d60f40af2920f3b9b7
- 02 R ed0d099f95335a658b8bd0b104009dee618c80f3442e02e41a6d225d6bc92f11
- 03 R f129c695f9043de4387f3fc31ce1ba470dc6f0304e99c01ec85cb17976f02723
- root 4d72a9dfa0f93db23a561fc7a974519cb40fa3cf6c32ad72e64ce39b6ffb20e0