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 CALAMBA, LAGUNA Award a ₱115.3K contract to DSO ENTERPRISESCities
Transaction hash:
cedc356ffefd21090a86e8c5a33e492bf2d6f34d70c517714707a5295536b936
Status:
Included and unchanged
Block:
#9 6,004 blocks after it
Position in block:
Transaction 7 of 9
Award day:
Nov 15, 2006 (19 yrs 11 mo ago)
Value:
₱115,322.42
Project:
Improvement of Drainage Canal
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 #9 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 CALAMBA, LAGUNA awarded it to DSO ENTERPRISES on 2006-11-15.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 Calamba 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 cedc356ffe…36b936now …
- 2. Block Merkle root changedstored 4faba7da89…9c5d87now …
- 3. Block #9 hash changedstored 92531d354c…722aafnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 8 records. Each step hashes the current value together with the sibling shown.
- leaf cedc356ffefd21090a86e8c5a33e492bf2d6f34d70c517714707a5295536b936
- 01 L a85439bf801d81b6201129de5ff0de620d422ebe4ea553c1ad688ed91db2682d
- 02 L 79b8cec1f7c43cc9768e93d4b38e956f228320f714e79a4f5c5f1932f55d878a
- 03 L dead7a778517cbd39d12401208110bcd830e6a1e223385130cebde637307db3f
- 04 R 4cebcbd01e5384ee9ae3f2142756c1d4b580252e8a7e3f87734921c9e6737241
- root 4faba7da893e96f0590a3b3072eb53291963eec5975683b732c18583f79c5d87