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 ₱42.2M contract to PERSAN CONSTRUCTION, INC.Cities
Transaction hash:
e7d4e53ed6b6a173beec0981890e619949fceb20c768535ab927a40146b1460f
Status:
Included and unchanged
Block:
#3,659 2,354 blocks after it
Position in block:
Transaction 182 of 207
Award day:
Jan 24, 2019 (7 yrs 9 mo ago)
From:
Value:
₱42,178,665.00
Project:
PROPOSED CONSTRUCTION OF COMEMBO COMMUNITY COMPLEX
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 #3,659 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 PERSAN CONSTRUCTION, INC. on 2019-01-24.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 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 e7d4e53ed6…b1460fnow …
- 2. Block Merkle root changedstored 430de1b7f5…fbb168now …
- 3. Block #3659 hash changedstored 2a92591606…e999f4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 206 records. Each step hashes the current value together with the sibling shown.
- leaf e7d4e53ed6b6a173beec0981890e619949fceb20c768535ab927a40146b1460f
- 01 R e8b5dd915246c85b389cbaa5bf43182159cb552f595c08d914cc1624136265a6
- 02 L 2043e59e6bd55c70caaef73e6473db0b7dafab6eff66d9e5f02df9c2c9d86bcc
- 03 L be04bab797dc5628cba9e411eed0d0c764da0a18682756b60be89899bf48b350
- 04 R 2f99bb6d9beb4f813ea4cd421c8d9f1ed642c5745f66778642d007e5e9f5063a
- 05 L 671dc0cade219085dc5a00b3d2f70981b6fb2ee85e39384f6e8b73ff5cc3b7b0
- 06 L 1ab52a0162755fe056acc8fda699ef2bd4bfe13e6f48efcbe9772e5763c66c22
- 07 R 89293909612d130c8deb93ad12a44551fbd3b9ae943a8c0285019e7afe702adf
- 08 L 890e5c03a57cea64d4b64d4c7d9c2c8632c258250aeeb15b12c9d9e0e271788b
- root 430de1b7f5d39ba59bea8fff489b70de9acf34d2f48478a3925671f21dfbb168