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 ₱993.6K contract to ZAMBOANGA 5DJ BUILDERS, INC.Cities
Transaction hash:
d2457582017b56c17a2ee0643e60388d08c085955db9e7d71b7652f3c79b1c7d
Status:
Included and unchanged
Block:
#617 5,396 blocks after it
Position in block:
Transaction 8 of 10
Award day:
Jun 10, 2009 (17 yrs 5 mo ago)
Value:
₱993,585.60
Project:
Improvement of Farm-to-Market Road at Limpapa
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 #617 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 ZAMBOANGA 5DJ BUILDERS, INC. on 2009-06-10.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 d245758201…9b1c7dnow …
- 2. Block Merkle root changedstored 2147e4c960…96f0b7now …
- 3. Block #617 hash changedstored 0f420c5d95…8a44dcnow …
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 9 records. Each step hashes the current value together with the sibling shown.
- leaf d2457582017b56c17a2ee0643e60388d08c085955db9e7d71b7652f3c79b1c7d
- 01 R d538d2893fde634151184b9bd4506b2850337dd5019ac69d961e79997dce0f12
- 02 R ae4096252bf659f901836dea626cb3445193b26d82685ac4d64ea67f5e679253
- 03 R 242fb1faf948350134ecaf0671369bd39ff2edd590896eda5e70c96df51e70db
- 04 L 538268df4517c0abb4bf44a72fac24647c4305b7df327215216124b0c9a84653
- root 2147e4c960239e2306fd4eeeb7e219b0184ac2fe2136e974c3129be1b496f0b7