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
CITY OF VIGAN, ILOCOS SUR Award a ₱996.5K contract to MBB CONSTRUCTIONCities
Transaction hash:
16bbd40cae43a147e9ea06d8983aff615d9c6d6b94eef4f95ee2683b8bb993e8
Status:
Included and unchanged
Block:
#971 5,042 blocks after it
Position in block:
Transaction 3 of 36
Award day:
Oct 1, 2010 (16 yrs 1 mo ago)
Value:
₱996,544.45
Project:
Construction of Mindoro Seawall-Phase V
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 #971 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)CITY OF VIGAN, ILOCOS SUR awarded it to MBB CONSTRUCTION on 2010-10-01.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 City of Vigan 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 16bbd40cae…b993e8now …
- 2. Block Merkle root changedstored 2d352dd687…0004fanow …
- 3. Block #971 hash changedstored 0f66a25321…d1582cnow …
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 35 records. Each step hashes the current value together with the sibling shown.
- leaf 16bbd40cae43a147e9ea06d8983aff615d9c6d6b94eef4f95ee2683b8bb993e8
- 01 L 0986d2820e1a61ba414f105fc989ac72967d1d3ce4f296d834c0682cea54846d
- 02 L cbe6cced646678eb4d6b2130f63f7b8a1d30e4aee28d49ff25d9006c48403eb8
- 03 R b5e1f04af1c031f6b3001eb5c364b418d8457f45f178b89c159ea4dd111a6089
- 04 R 08e91d455619a81ca7f27058af951867ef3d53c126d4a26b17be8a4df1cfcfaf
- 05 R c14e10a152acb2b3c8a1b2fb337cd36c677888e4e1c89220cff5bce38c36fc31
- 06 R 92abcacc4acc7b87bbfba4359c806eb0d2a9c01248e0fa74948dab0ab9388fc3
- root 2d352dd68721b5276b37735ac96c72106a414b9da774846b400aeb28b80004fa