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
PROVINCE OF ILOCOS SUR Award a ₱14.6M contract to M.S.CASTILLO CONSTRUCTIONProvinces
Transaction hash:
acad4a7a3ee905de846035c263fdc3d88f10acd0f2bee423f46fdd44cf7804ba
Status:
Included and unchanged
Block:
#5,366 647 blocks after it
Position in block:
Transaction 4 of 8
Award day:
Dec 23, 2023 (2 yrs 10 mo ago)
Value:
₱14,612,496.55
Project:
Construction Projects
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 #5,366 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)PROVINCE OF ILOCOS SUR awarded it to M.S.CASTILLO CONSTRUCTION on 2023-12-23.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 Ilocos Sur 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 acad4a7a3e…7804banow …
- 2. Block Merkle root changedstored 67cdc605fd…6175f0now …
- 3. Block #5366 hash changedstored 7abc9b5d25…53d53bnow …
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 7 records. Each step hashes the current value together with the sibling shown.
- leaf acad4a7a3ee905de846035c263fdc3d88f10acd0f2bee423f46fdd44cf7804ba
- 01 R db72655a626f4f60ed6bc4e8ffc42dd71a27b713d6e1d70a02e932dd804a5b88
- 02 R a28c1d8ce26e258e4a390be28ccfb2c4638e176699bdb3e4875b2c9fd332ab95
- 03 L ff4bdcf9a03462add594b6caeb42bf0fe720070c9c1bed13e10911206129be41
- root 67cdc605fd17467dcc456ac5ce4b6d4429e58db97187e7ec69a7e09f106175f0