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 RC CONSTRUCTION & REALTYCities
Transaction hash:
2eaae91dbafa2e48bf49306c0f3d88aaa16443a0aaaba226086940c1235c4f31
Status:
Included and unchanged
Block:
#2,419 3,594 blocks after it
Position in block:
Transaction 37 of 152
Award day:
May 29, 2015 (11 yrs 5 mo ago)
Value:
₱1,998,202.22
Project:
Construction of Shoreline Protection / Construction of Slope Protection (Cluster)
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 #2,419 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 RC CONSTRUCTION & REALTY on 2015-05-29.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 2eaae91dba…5c4f31now …
- 2. Block Merkle root changedstored 01b6865f42…2f2a2cnow …
- 3. Block #2419 hash changedstored 9b57e05bc3…bdef04now …
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 151 records. Each step hashes the current value together with the sibling shown.
- leaf 2eaae91dbafa2e48bf49306c0f3d88aaa16443a0aaaba226086940c1235c4f31
- 01 L 2d29573185b085ebebdd7718b29a1bc52bb9756de6cf465ab18adb6fb3d5e17a
- 02 R 547b5adbd99958c20766f13d547986df85935b51a8990656adb613991bdb6f90
- 03 L 59309402446cecfdddb83816154c306b8a8d5ff15d98fdaa2dd396714022864f
- 04 R 8d9ac01c2b1f7555e954534c1ee5f9fa12c44a25bcf2e563f9c91121a111d535
- 05 R e86e5ef706c1a4ea921c15061036b8b0173555556d22be054af17b1585921cf0
- 06 L f80d4bf165fcfe468dd7a3d8207e9e5da7feb081af2ab86b2f78dc0e6a6e4d92
- 07 R 1e8194ea81e7e9dc4a740769ecc515dba7285c9a2285c73034ebf75c8d316861
- 08 R d8299efd5033cc81aa3a9aaa13ff22b7b1640ab43dbe216174ced6bf53119d89
- root 01b6865f4233cb1ed882c37199b4f6cfac9bfab283189832b1fa692bd42f2a2c