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 ₱497.1K contract to REYSAN CONSTRUCTIONCities
Transaction hash:
da15a5047220eddfc2012ae0edeea3a2c4f88910235910e4ec25a32a2bd7dab2
Status:
Included and unchanged
Block:
#741 5,272 blocks after it
Position in block:
Transaction 17 of 22
Award day:
Nov 25, 2009 (16 yrs 11 mo ago)
Value:
₱497,065.54
Project:
Concreting of Road at Delos Reyes Drive, Putik
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 #741 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 REYSAN CONSTRUCTION on 2009-11-25.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 da15a50472…d7dab2now …
- 2. Block Merkle root changedstored 73955bec09…4606d2now …
- 3. Block #741 hash changedstored 315e94b01e…87dc39now …
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 21 records. Each step hashes the current value together with the sibling shown.
- leaf da15a5047220eddfc2012ae0edeea3a2c4f88910235910e4ec25a32a2bd7dab2
- 01 L d7c65f3ebb93d222c1bd9a939b94de1b3f787e786f0da48e481ce4a84026211f
- 02 R 9b4c0867240027b53b15fc0933da7c83853a58bbdeddc31a2569bf834480f8a9
- 03 R 7d500bf985079589ec84f6492d20c14cc9e73e084cab465fc53f4061301e0472
- 04 R 05c7fe61670ed3270db9f4fb4aa9c81f9a8ddeb4f6f796981cca07f5d8ee9a59
- 05 L 158b53dc9d883da44d1003379134c1e650d1c3e8771ce9d55c4885fd2305d5ed
- root 73955bec096b69d7ef412754e214c1a563bf9f4a35a93576f7efbd81124606d2