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 MUNTINLUPA Award a ₱2.0M contract to V.F. LABAO CONSTRUCTION CORPORATIONCities
Transaction hash:
6f1d0dccb267a7c76fdae3eb5f6c0bcb17abf67e121fa27f58fddeb2c04d23f5
Status:
Included and unchanged
Block:
#4,165 1,848 blocks after it
Position in block:
Transaction 73 of 160
Award day:
Jul 17, 2020 (6 yrs 3 mo ago)
From:
Value:
₱2,020,189.53
Project:
DRAINAGE SYSTEM AND PATHWAYS AT 184
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 #4,165 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 MUNTINLUPA awarded it to V.F. LABAO CONSTRUCTION CORPORATION on 2020-07-17.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 Muntinlupa 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 6f1d0dccb2…4d23f5now …
- 2. Block Merkle root changedstored fd55f030b1…33beeanow …
- 3. Block #4165 hash changedstored ef44027c2f…82458bnow …
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 159 records. Each step hashes the current value together with the sibling shown.
- leaf 6f1d0dccb267a7c76fdae3eb5f6c0bcb17abf67e121fa27f58fddeb2c04d23f5
- 01 L 6ccd69ae128d293e9f809524d01a07a402dfd92b331451c9229bbe07a969e308
- 02 R 7c67ce9bb1c659359ea1d08d3232c2a755dbe0cb263b5c22f739e1406ff6c1a4
- 03 R ef23529cdc17616ef046441971bf7b715c91aebab145e60a0c5a77041a5f446e
- 04 L 2a565ad571e7c4a3eb286cf753ac4c269f1d1ffbd3aca0907721751c84fbbe13
- 05 R 2820fdce2c7ddb01a3fb228d3ad2f19dc973985213985f0a94b56c99580b8dc6
- 06 R 8059d78b200e9ce9be608a1e7984f52c789adcce8d9a24c27daa50eb00fa86bb
- 07 L ac5f7cfb7be411ed32adc11b15c56f252eb85af147c55991125f1e3165fbcb0a
- 08 R a51428d699b67d69dbd470b825a4edf4d16ef2be5062edd0b6ceb3b82f209f4a
- root fd55f030b11a8d26b23fba61accf724590bfdfcadc38fccc09b7f7416333beea