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 ₱10.0M contract to YN BUILDERS AND SUPPLYCities
Transaction hash:
2e15f12df9524a0c443db59ebf05ff865334f98a4ab345687155455117e6f0bd
Status:
Included and unchanged
Block:
#4,568 1,445 blocks after it
Position in block:
Transaction 46 of 255
Award day:
Sep 14, 2021 (5 yrs 1 mo ago)
Value:
₱9,999,000.00
Project:
Site Development at Sub-National Laboratory Capacity Building for Serology and Molecular Testing, San Roque
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 #4,568 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 YN BUILDERS AND SUPPLY on 2021-09-14.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 2e15f12df9…e6f0bdnow …
- 2. Block Merkle root changedstored e8c63a76c4…ddeafenow …
- 3. Block #4568 hash changedstored f4eb6ba01c…b404a8now …
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 254 records. Each step hashes the current value together with the sibling shown.
- leaf 2e15f12df9524a0c443db59ebf05ff865334f98a4ab345687155455117e6f0bd
- 01 R 2f92c723358dae234a02c3abc05e0f2e593515c2c8ac8be08ae9cbf0cf6ec728
- 02 L 598bda0ea39d9d20a7e04907ffecbc5acb76264d87711a27a0b9af2d9d43fa9d
- 03 L 13fc91b4505c20f8aba98e9cab7d603ab6f9903f87eb26cfc1cf573eeda6a063
- 04 L 56694eca1e3a2958ead29fbbc3daf76d3b18a7b0a0e161e0344b3affd588110c
- 05 R 7b5490d2c64d4deded14ef1cf3adc6ea0af7743418342e4ffa7a660e77cf2594
- 06 L 551653ec3448b83f852fc5c83a1d594cedabff35893687043b1f1534dfe1e505
- 07 R f7e8cfcbcbfaec7a72fc76152072ae83a64c6efbcfab96dc38df9770da256e14
- 08 R 30e03f3aca8ac232ca8951c2f1436f292b80708e072a231451ccb3d07076fb02
- root e8c63a76c47c6463e9ee5cad759486b9f79ebc0a06d980bb028692699cddeafe