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
ZAMBOANGA CITY MEDICAL CENTER Award a ₱6.4M contract to FERREZE CONSTRUCTION SUPPLY AND MANUFACTURINGCities
Transaction hash:
13d5cdb65ec7fe296d5518eee32de7f79133aa4699f4310560be5ae7ceb69793
Status:
Included and unchanged
Block:
#1,046 4,967 blocks after it
Position in block:
Transaction 2 of 10
Award day:
Jan 11, 2011 (15 yrs 10 mo ago)
Value:
₱6,381,211.98
Project:
Proposed Operating Room
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 #1,046 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)ZAMBOANGA CITY MEDICAL CENTER awarded it to FERREZE CONSTRUCTION SUPPLY AND MANUFACTURING on 2011-01-11.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 13d5cdb65e…b69793now …
- 2. Block Merkle root changedstored 9fb38423d4…b224e1now …
- 3. Block #1046 hash changedstored 679794c6e5…d6d03bnow …
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 13d5cdb65ec7fe296d5518eee32de7f79133aa4699f4310560be5ae7ceb69793
- 01 R 327654bedfb9a2d2c0a81ac8c0dfc8e1971e689ee45d7be1d17038dc06f82dfb
- 02 L 5dfb060482c40c81c4838f81e5e627c22b2c56b287b00f0f20f04d3f31411443
- 03 R 23937b66ac025ed280acbc819776381ded9f5bad09b1ba68c46fdaf9caba9709
- 04 R 5185e9d2e05ed2163e48a60b04e28922fdc744abe7125abc4730d9026c466739
- root 9fb38423d4f5b59b259494f62ceb924c7776a86a04121a30f8689c3a17b224e1