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 TUNGA, LEYTE Award a ₱3.0M contract to ROVINVAL ENGINEERING AND CONSTRUCTIONMunicipalities
Transaction hash:
4abfa46c0229201dcc3e8afd6d78867a48d209c6889e8eb600abb200f906572c
Status:
Included and unchanged
Block:
#4,591 1,422 blocks after it
Position in block:
Transaction 86 of 262
Award day:
Oct 7, 2021 (5 yrs 1 mo ago)
Value:
₱2,979,320.05
Project:
Construction Project
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 #4,591 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 TUNGA, LEYTE awarded it to ROVINVAL ENGINEERING AND CONSTRUCTION on 2021-10-07.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 Tunga 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 4abfa46c02…06572cnow …
- 2. Block Merkle root changedstored 69f58d338e…2b8029now …
- 3. Block #4591 hash changedstored 947d3cb1d6…8c82benow …
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 261 records. Each step hashes the current value together with the sibling shown.
- leaf 4abfa46c0229201dcc3e8afd6d78867a48d209c6889e8eb600abb200f906572c
- 01 R 4b305df1db536a297be704b8d2955b73e5efeba59c9c378393789c31b028d24d
- 02 L 71dc4a88152411470079b2374e48d058dbd5803702b843dae9ca9f9769aaf06f
- 03 L c9f539755ee724993440754350ff734217fb77b9b829d7c22d8f5df862f8d3bb
- 04 R 0dd4236398ace49d74f190a0c8f622498df27195943fdd94f81180bd0acf545e
- 05 L 0b8d9fcee443e6588e4091da512343f9d849debab5cad199618cf8f1081cd618
- 06 R 130b143ea68b49029407e5e944817a432e876cce8e6952b34ed032398b8b28d6
- 07 L df36249abe6ee2dab402fe73bf2a93c92f08d6d4ecee09c329f33ae0020d8ce2
- 08 R 1108cf364c504abea0646015dd86e888cae756ec6057ccbbbe1b8c16110b6e89
- 09 R 44b725822f46755439f845e9b7861ac24bd8cdd327b334594a729feaeef1cb89
- root 69f58d338e1725c872e981199fcd1963209024b9f02934c011493635f32b8029