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 ₱2.0M contract to ADAD ENGINEERING SERVICES AND SUPPLYMunicipalities
Transaction hash:
ae3abbf7cb564e22ccac4805006bcc1fa3ff996e35b3f43c82f0e12c03ca0763
Status:
Included and unchanged
Block:
#5,778 235 blocks after it
Position in block:
Transaction 463 of 669
Award day:
Feb 20, 2025 (1 yr 8 mo ago)
Value:
₱1,995,038.82
Project:
REHABILITATION OF MUNICIPAL ROAD
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)MUNICIPALITY OF GUMACA, QUEZON awarded it to ADAD ENGINEERING SERVICES AND SUPPLY 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 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 ae3abbf7cb…ca0763now …
- 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 ae3abbf7cb564e22ccac4805006bcc1fa3ff996e35b3f43c82f0e12c03ca0763
- 01 L ad85a6882c680c1c71d824f2740f9ea02f7c87e7f00d7352c1091e342ebb697c
- 02 L 91557b608dbccd326b5869e9a533debec9ff736582b4e98f51eece56d2c3a1ef
- 03 L 1c5925d8540e2749002c0d91c5f2ac4ba2ffc85837fafa3c5e5d247684ef0396
- 04 L ac6c91dfaf938e6946e425342ba44c0fc8d9f3157c275d2573ac6efeb11333ef
- 05 R e98acefe0f930e4c8d1fff454cb0e491f88c9afe868cba49480451da69674a8b
- 06 R c3b512830f0a7e301716beec02b98a3cf0ca45579c6551cb4ce672ecd34b4ce9
- 07 L 1b50eec73cfd7fc3ade22fbce45b96436ace2f0dba69c68550f9e6024a03f1e2
- 08 L c1df015703fbab000025bb2e148f22355f5a154e8943c37b2860a63703a8ad37
- 09 L 21e621718176156a9d0d505c0b2c5c301af61b8f739324194c42a4d80f997fa7
- 10 R 8ae52b9992bfa0cf47751be48cd1d3be08c732230071f78c586eed041877e03a
- root 2ed4ba46249ecb2e4c33003defb0d069155fcc3f672a6b2f7e9e0bd93ed7e931