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 STA. ANA, PAMPANGA Award a ₱999.5K contract to R.L MONTOYA BUILDERS AND CONSTRUCTION, INC.Municipalities
Transaction hash:
76529fcfd90b1bd503db73f76422009806c929e20837636148dec171402cba2c
Status:
Included and unchanged
Block:
#3,056 2,957 blocks after it
Position in block:
Transaction 133 of 308
Award day:
Apr 24, 2017 (9 yrs 6 mo ago)
Value:
₱999,547.46
Project:
CONCRETING OF VARIOUS BARANGAY ROADS
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 #3,056 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 STA. ANA, PAMPANGA awarded it to R.L MONTOYA BUILDERS AND CONSTRUCTION, INC. on 2017-04-24.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 Santa Ana 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 76529fcfd9…2cba2cnow …
- 2. Block Merkle root changedstored f7bc2a937c…6c5f84now …
- 3. Block #3056 hash changedstored b3ce2ea63a…2963b7now …
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 307 records. Each step hashes the current value together with the sibling shown.
- leaf 76529fcfd90b1bd503db73f76422009806c929e20837636148dec171402cba2c
- 01 L 75e30f15e8c60edd6b5ebfb451f903036f3901ecba9723bd14ee388e8dd0db36
- 02 R 2ccd0c4ef49befa03ddfbe533ed5e6ff4fe1cf5a6887489f88b40cd868f5bdc2
- 03 L de0d1d1b0013d18b5926c1174ca7fc5c2911e9d47c37f54033c8a18b4b9cf317
- 04 R 26d2bd04c09177f33d2f146236000662d1d02ddd0c3223d04ebd46d95fca6ffb
- 05 R cf8c8e663dfa0944b84b736471348ee2994f2ada49a03b9cab5f667ebe5cdfd5
- 06 R a10a19cf6d8da5e50c41a51fc7a391a6ffc4b03572acb1f8ac29cfb0ec71d26e
- 07 R 602bac407468c375d9b29ab0c6080f8adb93144a8251fb321df031ce2270794e
- 08 L cad035b014ba8fda093ed82282b3927d21b86abcb3d5a9c04c2c602690423f48
- 09 R 172d6fbe1603f2c59d42eb2441b46609de847910537383be410f4556b4a751c3
- root f7bc2a937c77171b7da2184f28007110c6aa09b976b2ccb787a396c1b46c5f84