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 MAKATI Award a ₱50.2M contract to OLYMPUS MINING AND BUILDERS GROUP PHILS. CORP.Cities
Transaction hash:
ec9de6b66af1c8a1e2d7a76b1918a0f7f5b0cf760c00a4404a337ee5c103c5ae
Status:
Included and unchanged
Block:
#5,209 804 blocks after it
Position in block:
Transaction 283 of 305
Award day:
Jul 10, 2023 (3 yrs 4 mo ago)
From:
Value:
₱50,236,809.57
Project:
Proposed Road Improvement of Ampere Street Located
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 #5,209 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 MAKATI awarded it to OLYMPUS MINING AND BUILDERS GROUP PHILS. CORP. on 2023-07-10.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 Makati gave a "unmodified" 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 ec9de6b66a…03c5aenow …
- 2. Block Merkle root changedstored 17878817ad…35d3banow …
- 3. Block #5209 hash changedstored e2af246a1d…08136bnow …
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 304 records. Each step hashes the current value together with the sibling shown.
- leaf ec9de6b66af1c8a1e2d7a76b1918a0f7f5b0cf760c00a4404a337ee5c103c5ae
- 01 L eb3465198b75eb3d3f33b9d6ed8bbeb0069666af4d1e31cbe6cf070b528e8dac
- 02 L a58a6dbd2d56a0f5d99a117dc3ca1383abfc02561275bfd8f7cd2863cd894e6b
- 03 R 3396b4c5a08664efd64b968a2e64768a8b1b2b4e7f6e65a2b2996231934e34e9
- 04 L 411eee4318af00d4b855eebdda9ccf76b73334e465dcd43cee6780235d51366f
- 05 L b4f2a63d31fa2124601fbea1181d9965598466c4d9f18cabfbe6ba8c737d114c
- 06 R de8297fda66bad101230c664690d329fc3b24ad522d91d8f97af1ffc10b0203b
- 07 R e5e0afbd0600728e790d23f3b36da5b3d175d227cfff9ed426ab07924a2afc78
- 08 R c30868c6c5408ced66de023db0eb4f3bee410be5a5553a97741151976b1b8218
- 09 L 530d014ccaec21ea835c50b40c76d265cc82d6f6abcac0338fa94f6587c4e98a
- root 17878817ad990384edd0019d7d2d69d9b526b9f6538a82ad45c69177a135d3ba