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
METRO MANILA DEVELOPMENT AUTHORITY Award a ₱19.8M contract to W.RIVERA CONST. AND EQIUPT. RENTALS INC.National agencies
Transaction hash:
b203774be2e1925e3678ef9d7898170c8308c0881a75fed4eede1bdcc6b28521
Status:
Included and unchanged
Block:
#5,184 829 blocks after it
Position in block:
Transaction 205 of 325
Award day:
Jun 14, 2023 (3 yrs 5 mo ago)
Value:
₱19,782,414.40
Project:
Construction Projects
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 #5,184 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)METRO MANILA DEVELOPMENT AUTHORITY awarded it to W.RIVERA CONST. AND EQIUPT. RENTALS INC. on 2023-06-14.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 b203774be2…b28521now …
- 2. Block Merkle root changedstored 54faeeb6a5…9e178enow …
- 3. Block #5184 hash changedstored 4cb5166c63…06a08fnow …
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 324 records. Each step hashes the current value together with the sibling shown.
- leaf b203774be2e1925e3678ef9d7898170c8308c0881a75fed4eede1bdcc6b28521
- 01 L b1bddc17c6a94d68aac2a22f3d597bc4ddf85dda38156e6d66738864b2fa9445
- 02 R c738a60282359c47a5901df9f61a4680bb5eb5d73e88d0aafe347ed00a106111
- 03 L 2762f6f761d22fae2645552fff5290e62785de2e817206da9bacf8d39173f6bb
- 04 L d68b6148d1ea9e902a5a6d3973a1d3aa953ff470a9a04cb4668e125f9171f2a7
- 05 R 5bf7fc7d347f26624d3ce42239def5f4a59348cbd3543e20ded79a6e39248a07
- 06 R a9ba309b5164958cc08944bc76b7df6db5492ff35cdbf92b580f0412c0fca3aa
- 07 L 1d3830f58a1ce1ec36b9a7eb3984ba36d57ed7b83b379341440b9d1c6260c126
- 08 L 46a1b9a14be433a7d07929bcb7102542da62f129dd3830983067f7b72d5b3f73
- 09 R 1d47f966d27573ad318fe4afda9b2a799239389c3c078d17d151baca0253bf94
- root 54faeeb6a51ccdc0eb11aa2080a467e11f34135bbe874aab9c089d645d9e178e