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 ₱37.8M contract to IZUMO CONTRACTORS, INC.Cities
Transaction hash:
2cbbe083a36c7d5f708045e2ba64532cdf4b74b5fb6a7328d4d460469d59156f
Status:
Included and unchanged
Block:
#1,462 4,551 blocks after it
Position in block:
Transaction 3 of 41
Award day:
May 24, 2012 (14 yrs 5 mo ago)
Value:
₱37,772,537.89
Project:
Site Development of Mercedes Resettlement Area, Mercedes
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 #1,462 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 IZUMO CONTRACTORS, INC. on 2012-05-24.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 2cbbe083a3…59156fnow …
- 2. Block Merkle root changedstored f35beec287…512c4cnow …
- 3. Block #1462 hash changedstored b26d3669a3…8a1874now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 40 records. Each step hashes the current value together with the sibling shown.
- leaf 2cbbe083a36c7d5f708045e2ba64532cdf4b74b5fb6a7328d4d460469d59156f
- 01 L 2b4241b55fec5614f488f850b11792ac05c1462e31a6a1167ca2018a169bb061
- 02 L 8d65de9e91d554ca4b0dc04482d6e8efb1232772b0733353d8c85fc66c5bdb8f
- 03 R b4737ac1532c8e3a44fef87304ed418bf37cf2f211c9ae03bd07743f5a9363d4
- 04 R 687c3cff339e93d81dc5e34ba1f0e56cfd19bf25d3e69bfef8170d705f89f9ff
- 05 R bcd86cb223ca59d99bc2f74b9f8374ea78c5f0c7e6ac6be05edc99571f07c808
- 06 R c822f8b742e8af1f65008ac6be4e10b92100eace3466ba23d4b633426803884f
- root f35beec28771063d5f6ce108ab4b13b5771cf1b0a403e331db05ad846e512c4c