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 SAN MATEO - ISABELA Award a ₱639.5K contract to JMU CONSTRUCTIONMunicipalities
Transaction hash:
8b587eebe149bd9b3d602a3fe99bdfcd48fea017f813fca72ce530b37e303276
Status:
Included and unchanged
Block:
#4,710 1,303 blocks after it
Position in block:
Transaction 219 of 394
Award day:
Feb 4, 2022 (4 yrs 9 mo ago)
Value:
₱639,495.28
Project:
Construction of H.E. Building & Concrete Pavement at Estrella Elementary 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 #4,710 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 SAN MATEO - ISABELA awarded it to JMU CONSTRUCTION on 2022-02-04.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 San Mateo 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 8b587eebe1…303276now …
- 2. Block Merkle root changedstored bb564bca81…39be73now …
- 3. Block #4710 hash changedstored 593bb69dfa…d9218dnow …
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 393 records. Each step hashes the current value together with the sibling shown.
- leaf 8b587eebe149bd9b3d602a3fe99bdfcd48fea017f813fca72ce530b37e303276
- 01 L 88b16bab078e7109912c55e6d701384904d681db7a75425d4d1f75aa0c98379f
- 02 L 64a9f4741d47938457788de4ef665e879ae0cc377c5442dd71e75fd20b15d9ed
- 03 R 229192eaa2d907fd85d2a6564256f245bc5282494bf4a802247dc3196f9e363d
- 04 L da8e7e88b36569d0130c355d3a2b84628a32f87203e04ce122cf1dac562c1e23
- 05 L d5cd1e81484b35ef0d1d13a282a07b02a923b0d3b2b8551a4db34c50c214ed31
- 06 R 00c8784b21b4624375aaed0dd40098709bffe86842aa1574f954f13adb177e3c
- 07 L f4bbbda1d188d133cdce514f8b7a1473b23773d7c4b4d6fb046437d978c5476c
- 08 L 7f54b123fcc4d238af2a710d495c6b1de0d7e5f4383d4e24910ad3328a1ae9ea
- 09 R 06815108adffdcec7502ff2e90d220f8410025092390678f687bb3a872e0da9c
- root bb564bca81926af68b551fae780f697a2bd7b2fd963eaca5e05978140139be73