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 NAGUILIAN, LA UNION Award a ₱98.6K contract to E. E. MADAYAG CONSTRUCTIONMunicipalities
Transaction hash:
aec6bd3ad0a7f9cbf03fc19a2b985095f49983c404bebba71f1cb179b59e1e21
Status:
Included and unchanged
Block:
#2,409 3,604 blocks after it
Position in block:
Transaction 95 of 140
Award day:
May 18, 2015 (11 yrs 5 mo ago)
Value:
₱98,559.50
Project:
IMPROVEMENT OF HANGING BRIDGE - CASILAGAN
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 #2,409 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 NAGUILIAN, LA UNION awarded it to E. E. MADAYAG CONSTRUCTION on 2015-05-18.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 Naguilian gave a "qualified" 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 aec6bd3ad0…9e1e21now …
- 2. Block Merkle root changedstored 26a3797494…f591d4now …
- 3. Block #2409 hash changedstored 83afef5351…9e7b61now …
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 139 records. Each step hashes the current value together with the sibling shown.
- leaf aec6bd3ad0a7f9cbf03fc19a2b985095f49983c404bebba71f1cb179b59e1e21
- 01 L aa6fdcb9119b60f77093b7a760d0d74613375c0f7aa9e2bedd7eecdc187fe817
- 02 L 0e05c28ae7225ee36ba27b1c4ba1ca0d962cb8330bee0da2c97c1376584a89d7
- 03 L 693b9047264e5eae8a96db5508df64a2a8a0a5cc2dffc8b5381fabe0232cd193
- 04 L fac96288942cb6ca993afb5798885820f40aca360643caeaea7a14ea054ed953
- 05 L f980cf8b6143223dfe96fb77d9c0165c7ff8bba4cc84c4b839c74958521a3d46
- 06 R c6bf4ea9c7a5150a281d511d56b9a57335f7aedd40060bb63a2e29d8e4a47ab1
- 07 L 63e2f1f6638b9400a7b3a85d1954b2fe7fb3608599c785b1f50b947b6626de21
- 08 R a4d58f95607336a51cc50eafa5279063358c5584ecfc9dfbcf0db2ddb867dbc7
- root 26a3797494e433927cb4ba576c7b5a35b1753e85581f19323b5bb9ada0f591d4