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 ₱49.7M contract to D.L. CERVANTES CONSTRUCTION CORPORATIONCities
Transaction hash:
da00df08bcd36bf2dee5fbbd3dbfad14c2458b846532bbf3ad37321fc78bb95d
Status:
Included and unchanged
Block:
#3,002 3,011 blocks after it
Position in block:
Transaction 227 of 268
Award day:
Feb 27, 2017 (9 yrs 8 mo ago)
From:
Value:
₱49,669,345.76
Project:
MUSEUM
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 #3,002 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 D.L. CERVANTES CONSTRUCTION CORPORATION on 2017-02-27.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 da00df08bc…8bb95dnow …
- 2. Block Merkle root changedstored f5e1b8d6d6…c53a21now …
- 3. Block #3002 hash changedstored b9f35c460a…e91242now …
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 267 records. Each step hashes the current value together with the sibling shown.
- leaf da00df08bcd36bf2dee5fbbd3dbfad14c2458b846532bbf3ad37321fc78bb95d
- 01 L d9d954cc2772913433901fa32474e9a2444c6dac7a6942a681af6049c59f3e57
- 02 L bf2095c4d45b21b3847a986241c36adbe5df49e81486537a1175dcc31fa9ace3
- 03 R 014c673e2ffe482b92ccceecfcc7245d693232c9dab09408d71b23def41f6006
- 04 R 3d02bf6902ed52e4cf2350cbe412008d11299a344d8f4092bc616ae02df28c29
- 05 R 7ad946eeb27d5aa5a40ae3c9e86ae8d8fff50bf705d16eb5c7460faa8cb06caa
- 06 L 9f3e4aed800ce4eb44d36f38aa499ed16b23ead0b30b86e2624edda494e52125
- 07 L 9c996af9063822da4bb83fecccad6b85a034ddc9e21552037dcef28a74305ec4
- 08 L 3c6df16595d411ea8cc4689cb97547b1e8eff681c1814e6d7851d9522250615f
- 09 R 83b61ce8e5a8021574bd3be17415baeb7479dfa8e1c72ef9a4ef5b22c96bf965
- root f5e1b8d6d653f7a22e9a41b80606cd916d1032fa1f8752e3f18cefab85c53a21