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 ₱3.5M contract to BEAM CONSTRUCTION & DEVELOPMENT CORPORATIONCities
Transaction hash:
ef56108a71ebdba456cd4e35092cfd16e7dd9691c40efff4c77668aced003600
Status:
Included and unchanged
Block:
#1,556 4,457 blocks after it
Position in block:
Transaction 87 of 93
Award day:
Sep 10, 2012 (14 yrs 2 mo ago)
Value:
₱3,497,080.00
Project:
Rehabilitation/Improvement of Multi-Purpose Center at Bolong [ Alternative Mode ]
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 #1,556 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 BEAM CONSTRUCTION & DEVELOPMENT CORPORATION on 2012-09-10.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 ef56108a71…003600now …
- 2. Block Merkle root changedstored ae7db62df5…37b690now …
- 3. Block #1556 hash changedstored 07fb485e20…d7d602now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 92 records. Each step hashes the current value together with the sibling shown.
- leaf ef56108a71ebdba456cd4e35092cfd16e7dd9691c40efff4c77668aced003600
- 01 L edbda4a215a531ba2b478519468ffe6b93c274c8830fe299893d9d75e0111da4
- 02 L 3af4501f961d7c6846b901628f068d0c1356cb895a2ba9968e2020225e092da2
- 03 L e54968cb93fec72130cb106079806682df91d1074d6b472e203a430d507b1aad
- 04 R 825d9befc9898281ed08bd58262c8bc9f1d7eed14ba4b2fe9cbd184de6ea9d76
- 05 L f38881a0eb669ec7041cfef60a74aa5a40d985ba3e323141933a8d9a37252509
- 06 R b19b0c9523af2472c36716d5c814b606cbb33938ab803d05a89594595bf4a2b6
- 07 L 4be6fd903c4fe5e81e610b195bfcea317859cb2309d0f815dbc283dd229a7460
- root ae7db62df54a9cd0249f83b70fefa9c46803ba5b54842a118abb86196937b690