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 MANDALUYONG Award a ₱4.5M contract to B. BERNARDO CONSTRUCTIONCities
Transaction hash:
cf54f4dcfa40cf1ba4187fdb04c1b9af709f9bfcbbfe59e924a0106126739db5
Status:
Included and unchanged
Block:
#389 5,624 blocks after it
Position in block:
Transaction 5 of 6
Award day:
Jul 25, 2008 (18 yrs 3 mo ago)
From:
Value:
₱4,520,936.00
Project:
Drainage and Street Improvement
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 #389 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 MANDALUYONG awarded it to B. BERNARDO CONSTRUCTION on 2008-07-25.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 City of Mandaluyong 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 cf54f4dcfa…739db5now …
- 2. Block Merkle root changedstored ea20eed171…356406now …
- 3. Block #389 hash changedstored bbb4e48a1e…72731dnow …
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 5 records. Each step hashes the current value together with the sibling shown.
- leaf cf54f4dcfa40cf1ba4187fdb04c1b9af709f9bfcbbfe59e924a0106126739db5
- 01 L c107f9e9cddf892b98b0303533877afbb91eb26c29d269b050b19a8cb53ce748
- 02 R cf9d9d901670727ff6afd39b79b5b3c315bc7e35173be71985e9f02ddde8973e
- 03 L 21e9ed9c851732206bf883bdc7ef62ee74541c591357b02cd7759eb73df39f36
- root ea20eed171d154c35de6562f8c613315b796305e5a2fc6151e3b2cd758356406