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
MUNICIPALITY OF LAAK, DAVAO DE ORO Award a ₱1.5M contract to ONE MARK ENGINEERING TECHNOLOGIESMunicipalities
Transaction hash:
55f640a414f081ca0bdb8c19a99f51664c7a6f048d46374ed2c5216b43eeed40
Status:
Included and unchanged
Block:
#5,136 877 blocks after it
Position in block:
Transaction 134 of 409
Award day:
Apr 27, 2023 (3 yrs 6 mo ago)
Value:
₱1,497,404.47
Project:
Road Concreting J. Rizal Street
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 #5,136 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)MUNICIPALITY OF LAAK, DAVAO DE ORO awarded it to ONE MARK ENGINEERING TECHNOLOGIES on 2023-04-27.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 Laak 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 55f640a414…eeed40now …
- 2. Block Merkle root changedstored bc63e5f68c…32706dnow …
- 3. Block #5136 hash changedstored efd3f8c631…7fc2f4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 408 records. Each step hashes the current value together with the sibling shown.
- leaf 55f640a414f081ca0bdb8c19a99f51664c7a6f048d46374ed2c5216b43eeed40
- 01 R 5698ba86cd94fce054a3256de0103f595b5286e0952f632c3b995931c761fe2e
- 02 L f3975d07e2709d88ccae7fb4fa0a5fa44636e60149b6c505832df8d5920a12e8
- 03 L 0a5f36a97142a8d7e09bfb290198a49d2e995f70e7fe28af44cffbc839ee73a2
- 04 R a602509a38649d9c52558097b863d25c80208e0aa38122028359ecbacbcb91f6
- 05 R e8bf85b43e58c555b7938f4b73d23a9e6330ce59347b38f5f70df9f5e8990bd6
- 06 R 0c70f3490d45fd9165405ef518bb1bc29f390473cf5e033daf16c2634bc5c181
- 07 R a08d8c23ff7c9a312a189f85e045f160e91133cbfcac07ae135ceb6f6ee19e97
- 08 L d5906937a4c618960717dc82e9c27a227c3af5ca60586dd0bd46b6b0c0b984ba
- 09 R e9b7d6571180973b5e539a356bcf7d20d56e247fe7fcf84d24d6cdc80d0fe592
- root bc63e5f68cae1a1f2fbac9a33ea3a534fce28fad7fdb072d9432d42ad332706d