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 ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱3.0M contract to UNA CONSTRUCTION AND SUPPLYCities
Transaction hash:
55eba9f4131ca8fe8fa92ea9872155884b14b96318fa026b8f99d28dd5553249
Status:
Included and unchanged
Block:
#2,842 3,171 blocks after it
Position in block:
Transaction 81 of 254
Award day:
Sep 5, 2016 (10 yrs 2 mo ago)
Value:
₱2,981,619.30
Project:
Construction of Community Fish Landing Center / Co
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 #2,842 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 ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to UNA CONSTRUCTION AND SUPPLY on 2016-09-05.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 Zamboanga 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 55eba9f413…553249now …
- 2. Block Merkle root changedstored 3e3843f1ad…6f5f2bnow …
- 3. Block #2842 hash changedstored 6dfa1ee6d1…6c3351now …
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 253 records. Each step hashes the current value together with the sibling shown.
- leaf 55eba9f4131ca8fe8fa92ea9872155884b14b96318fa026b8f99d28dd5553249
- 01 L 5599dbf7b4088d5b3518b18a6f881ba39d739a12573f912b56233642658b9172
- 02 R 2d3f5775659d93ffc2e5d23d8a7ed2b53d7c0292f8cbdf9c09abdee7d37a6ae3
- 03 R 5d80a918deb69a46cd19447a9216c8848b78a346650349a0f5d909224acb8f9f
- 04 R b74f3a1b3c144b1dd2b6315b00acf584821770ed0cf159bc265878f1f30e0cf5
- 05 L 8be034a5dd8da3c7e25522e273ad3dcd7a18eda8e5557a09707d677b2495b6f1
- 06 R c4c064b4a5ac075988a6a90eef612978e53f6ed9f25a45dd64dc52966746caee
- 07 L f65b9e891101fe6b713ddbf8747e0953bad6604f6e708a9f9a3cca9efbe94b80
- 08 R 96f1de14ce9bc6d12207fc04e8b1f53f57c714af968302e2b3d15d7921ace379
- root 3e3843f1ad0490335d3cfc30b2d6b5186e7f743120baa26087428b70ee6f5f2b