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 GOVERNMENT OF LUCENA Award a ₱499.4K contract to NORNAD BUILDERS AND SUPPLYCities
Transaction hash:
bbc3df320f0f2c2383f889ef4909c33b9aa63234e4bc07f86f0d84d9f096f235
Status:
Included and unchanged
Block:
#4,175 1,838 blocks after it
Position in block:
Transaction 184 of 247
Award day:
Jul 27, 2020 (6 yrs 3 mo ago)
Value:
₱499,406.37
Project:
Improvement of Day Care Center
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 #4,175 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 GOVERNMENT OF LUCENA awarded it to NORNAD BUILDERS AND SUPPLY on 2020-07-27.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 Lucena 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 bbc3df320f…96f235now …
- 2. Block Merkle root changedstored aa83f6019c…be20ednow …
- 3. Block #4175 hash changedstored 93d3d451cb…b8f689now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 246 records. Each step hashes the current value together with the sibling shown.
- leaf bbc3df320f0f2c2383f889ef4909c33b9aa63234e4bc07f86f0d84d9f096f235
- 01 R bbd0e55b589be3dadbe0da74048afc6e2dfdb6107535fb3259dbd8012dcf23e3
- 02 R 501c4f3fa89739f852c95758193c3239c606c093793d9651609d499fcaeb23bd
- 03 R 77478a064d9ad9f1cfe799e654390bae316ef7fceceb1a5ae60e5be977aafd2e
- 04 L 90716e2fade5bf488d46263a2f9e1fef7798235d5812862bbf27c38c2f6599ab
- 05 L 23708045e91164ec0af36ea10d1c1c1589ec02f71696b1eb6ce292a961317648
- 06 L ddc2385e1496f19b805487a1866ed5fe532d88e62fb8eb89a645503cfc3e4ff0
- 07 R 689cc81baaaceb12794abbfe98de1585697cb7bdf6464d34c17c63ed487c07f2
- 08 L 6911387415bebf260567cfb2c651ad336742e13a8a29ab06246b55dd6044ea58
- root aa83f6019c44ec4f3b546c71f7c8364815fae7305fb05aa7c88b845dbfbe20ed