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 ₱2.0M contract to ZAMBOANGA ERECTORS & CONTRACTORS, INC.Cities
Transaction hash:
dff36b3ec8bafde843e261c6043c90fc7742b2fa4e65a707e263ed1e5cb4762f
Status:
Included and unchanged
Block:
#770 5,243 blocks after it
Position in block:
Transaction 15 of 19
Award day:
Jan 6, 2010 (16 yrs 10 mo ago)
Value:
₱1,961,782.00
Project:
Concreting of Road at Pole Diutay - Pole Grande, La Paz
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 #770 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 ERECTORS & CONTRACTORS, INC. on 2010-01-06.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 dff36b3ec8…b4762fnow …
- 2. Block Merkle root changedstored 1f457da55c…444402now …
- 3. Block #770 hash changedstored 0873626beb…716432now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 18 records. Each step hashes the current value together with the sibling shown.
- leaf dff36b3ec8bafde843e261c6043c90fc7742b2fa4e65a707e263ed1e5cb4762f
- 01 L da203e55ba4f02a02f13aa36824c7589f694880daeea8ed12d2d58406a1c8894
- 02 L ec594413798ef4fca8c81cbaa35fb3ddb122a1d24aabb4266061fb9379f9144d
- 03 L 20478d36f0b1be121f9387b232b0d60b47f1128edaff1d43e040a649acc65c4d
- 04 L da0b972ca3f6b007c88a366bfc1b74ccecfbc0557c9966ffe0b2116bd79af501
- 05 R 8bc5e4400b0e40c42a571116c3f00bda26cf2d0b23d2795e5b519f101f1a49a8
- root 1f457da55ca5f701a72fafbe0fa451f02355acd95b29c264927f29e5ec444402