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 LAS PIÑAS Award a ₱10.1M contract to MANGELESE CONSTRUCTION CORPORATIONCities
Transaction hash:
8db0b7b41949cbf2f90caabe8103b84f3a5a0de3a8013b7849a8eaaac54a5a14
Status:
Included and unchanged
Block:
#5,778 235 blocks after it
Position in block:
Transaction 379 of 669
Award day:
Feb 20, 2025 (1 yr 8 mo ago)
From:
Value:
₱10,086,514.00
Project:
Upgrading of Roads and Drainage System
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 #5,778 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 LAS PIÑAS awarded it to MANGELESE CONSTRUCTION CORPORATION on 2025-02-20.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 Las Piñas 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 8db0b7b419…4a5a14now …
- 2. Block Merkle root changedstored 2ed4ba4624…d7e931now …
- 3. Block #5778 hash changedstored 7b2dbc3a68…72f43fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 668 records. Each step hashes the current value together with the sibling shown.
- leaf 8db0b7b41949cbf2f90caabe8103b84f3a5a0de3a8013b7849a8eaaac54a5a14
- 01 L 8d608fca78850553ea30ce6fdfe623be214445b326ff581f9ab61d159908eba7
- 02 L e1849661653d3b9b35ea8145beec8a86c4600ee32eaf60bbc66d22faf99af654
- 03 R 913db07ff7aa9c5e82f8cf87e5ff1dbc49ef26d0bfed384ed28d192e098dabfb
- 04 L d59a950a9f151e5eb1490d64c4382c575ed4114eee09b92faf35333bdf43169f
- 05 L 5ae31dedb8ee20fd8de6c48dff2f9f55c5b092ae957d48ca6cd0dfa5fdcc9aed
- 06 L d670d194c2b7af431a1ddd60f1920a2dd16ec963c91ad0a0960180d5b4f53b90
- 07 L dfcf55f1a6c43da55b8d6090623a5100eead4844938e445d0b5ed3ab825a7ac5
- 08 R afb98b3c88c7c5118587faa931bb5c72a2a5504189ff20d5b20e642f5160d911
- 09 L 21e621718176156a9d0d505c0b2c5c301af61b8f739324194c42a4d80f997fa7
- 10 R 8ae52b9992bfa0cf47751be48cd1d3be08c732230071f78c586eed041877e03a
- root 2ed4ba46249ecb2e4c33003defb0d069155fcc3f672a6b2f7e9e0bd93ed7e931