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
PROVINCE OF NUEVA VIZCAYA Award a ₱1.9M contract to AMBAGUIO BUILDERSProvinces
Transaction hash:
1dc37f93df8396c191845364de619ef5b82a30070e3986378a64100fe59910bc
Status:
Included and unchanged
Block:
#3,610 2,403 blocks after it
Position in block:
Transaction 18 of 186
Award day:
Dec 4, 2018 (7 yrs 11 mo ago)
Value:
₱1,878,135.50
Project:
CONST. OF MULTI-PURPOSE HALL/EVACUATION CENTER EAR
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 #3,610 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)PROVINCE OF NUEVA VIZCAYA awarded it to AMBAGUIO BUILDERS on 2018-12-04.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 Nueva Vizcaya 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 1dc37f93df…9910bcnow …
- 2. Block Merkle root changedstored 6c1f9fba10…e150b5now …
- 3. Block #3610 hash changedstored d4349556ab…a7cb1anow …
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 185 records. Each step hashes the current value together with the sibling shown.
- leaf 1dc37f93df8396c191845364de619ef5b82a30070e3986378a64100fe59910bc
- 01 R 1ee6c2d476d62b5da5f4ada13a030fa437f46ce2da9fc45c5ad63edba39339e2
- 02 L 35492414ef4a4329302af016363cb595c101a6d9fb5ceb58205073f5a0077e8b
- 03 R de9b311541f68eb0252774e13e20c9e9f840c0346f6b139fc124b49d1de4151d
- 04 R b7694c6ceff3b8152b699ce59d13470cfcd4dc6b547f5ee342935cfd4323c8dd
- 05 L cab25c0c0fa2a01686315fe1863408d8b6625de08d224093255a082347f0d284
- 06 R 2934f4848e348969efc2c53f867bb85e3d532963bfc28445d29eac1acb8efcf9
- 07 R f60dad269c1bbe5fb6186b0a900b41e483f27cfe3bf873e3b1402fba33565684
- 08 R 33a7c186f56b941b10354bd55e660790c4c5203a8a2c1b91203fba878b4aadc6
- root 6c1f9fba102e894695a74559fd6746b22679ce1d4d7a656993041c6b3ee150b5