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
MUNICIPALITY OF GUMACA, QUEZON Award a ₱199.5K contract to ADAD ENGINEERING SERVICES AND SUPPLYMunicipalities
Transaction hash:
d098f893c812bb78413d07cd4e80fd9a0e1be0fcbd8abb82d181537a0cd6f095
Status:
Included and unchanged
Block:
#4,183 1,830 blocks after it
Position in block:
Transaction 109 of 148
Award day:
Aug 4, 2020 (6 yrs 3 mo ago)
Value:
₱199,528.00
Project:
Accounting Office,Municipal Hall Gumaca Quezon
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 #4,183 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)MUNICIPALITY OF GUMACA, QUEZON awarded it to ADAD ENGINEERING SERVICES AND SUPPLY on 2020-08-04.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 Gumaca 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 d098f893c8…d6f095now …
- 2. Block Merkle root changedstored d32b165a79…e4ceb9now …
- 3. Block #4183 hash changedstored 02c774fe23…9c8635now …
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 147 records. Each step hashes the current value together with the sibling shown.
- leaf d098f893c812bb78413d07cd4e80fd9a0e1be0fcbd8abb82d181537a0cd6f095
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- 02 R bd10705b098b9fe9e6a02e6e2980d8c97ac77b7e10a71ce78a263a771af44c12
- 03 L c93a63a5553f150d9962400403a4f7965ac62757e2162a9368cc8d6865665efd
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- 05 R eb1c47d409a79a117b2e316673070b3482aff1d130c8ea28bccd48e1014ec6f8
- 06 L eddbdad5de5836b1483c52c3c755add33b241cf24569a1b8457fbec8d3e41424
- 07 L 9b9b4e4bc54a9bfcc27c0e6375d5be2ad6493c31223c8e1463ff6375924c0071
- 08 R bc7e81c2815b6ef98c68b9b5baccedb3c3e75e5d74794cf3f7cd26b03ad105f1
- root d32b165a79ec02d02f050046a2a59786916c8f212c194e8eb1b8bd7861e4ceb9