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 NABUA, CAMARINES SUR Award a ₱496.9K contract to HRB CONSTRUCTIONMunicipalities
Transaction hash:
b73bbd29c9789465bc288b2df0707bbebcc72d691e934c3ca046c50b8317bd3b
Status:
Included and unchanged
Block:
#4,729 1,284 blocks after it
Position in block:
Transaction 27 of 37
Award day:
Feb 25, 2022 (4 yrs 8 mo ago)
Value:
₱496,937.02
Project:
Construction Project
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 #4,729 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 NABUA, CAMARINES SUR awarded it to HRB CONSTRUCTION on 2022-02-25.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 Nabua 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 b73bbd29c9…17bd3bnow …
- 2. Block Merkle root changedstored 9ca5cfe9de…a07c89now …
- 3. Block #4729 hash changedstored 91a823c8a1…6cecdenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 36 records. Each step hashes the current value together with the sibling shown.
- leaf b73bbd29c9789465bc288b2df0707bbebcc72d691e934c3ca046c50b8317bd3b
- 01 L b3b90f46912ed9bdfc82adef81420e6c6541290ede7c7298bfd1781d794a4f89
- 02 L 23b71e1d8bcc91ba3369c3c9d9eb287fb96aa86b2f638d3169dcde18b28c5b2f
- 03 R 89bf609cdfa35f1ce2fcf570d3d78a2944eb689b756db4906aa2d6b7a839a255
- 04 L 751a6639a2fa966fc50a3c1fe1db4906b7fcca5b673ac8d5f7946d5d89dee313
- 05 L fc6efebf836e2833225d5c3de2d12f46f296f39c0d83fab733a42cd81f304704
- 06 R fefd937798b98523850714501726728ef1dd0cc8cf349ad60f421c91026270dd
- root 9ca5cfe9de935da765ac4147507229710c4c95066626f4b6fa8f7b3ae3a07c89