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 ₱1.2M contract to ALTOS CONSTRUCTIONCities
Transaction hash:
d2fc4690477e69f4409510e3eabc07e178be44d4a43417a6730eeb4c2f5d71a1
Status:
Included and unchanged
Block:
#637 5,376 blocks after it
Position in block:
Transaction 14 of 21
Award day:
Jul 8, 2009 (17 yrs 4 mo ago)
Value:
₱1,196,153.32
Project:
Construction of One (1) Storey Three (3) Classroom School Building at Sibulao National High School
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 #637 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 ALTOS CONSTRUCTION on 2009-07-08.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 d2fc469047…5d71a1now …
- 2. Block Merkle root changedstored fba660cdaf…6cd282now …
- 3. Block #637 hash changedstored 8aabece2d5…f45d06now …
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 20 records. Each step hashes the current value together with the sibling shown.
- leaf d2fc4690477e69f4409510e3eabc07e178be44d4a43417a6730eeb4c2f5d71a1
- 01 R e71325852ba42cdb126aca56fb0426acfc81b58f1e998283b20e7ae0cad7516f
- 02 L b5ece059102739be1a73299316cac8905c743169bb80ab99b27ce6e615144d56
- 03 L 7bdc1f54f0f99ec00ae2d82386fd032e0387edd23450e48d980c8df089964188
- 04 L 02be9f1cbb322ab4fe35a4655dfe79daebfea64d19064b0247e1e84ad1ac2ac5
- 05 R edc086248f2d307e6072119cbc7589c38d400126e0a1d4994fe5764503ef4179
- root fba660cdaf66a3da3acf4f8810751e91eff157c3b01a6ddc86bb463f716cd282