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 ECIJA Award a ₱4.0M contract to M.R. VARGAS CONSTRUCTIONProvinces
Transaction hash:
4c0d29ea3ceb09ced1122c34197e51afc94bab13da898611e1839b224df8a678
Status:
Included and unchanged
Block:
#1,781 4,232 blocks after it
Position in block:
Transaction 30 of 86
Award day:
Jun 19, 2013 (13 yrs 4 mo ago)
Value:
₱4,005,993.14
Project:
Multi - Purpose Facilities
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 #1,781 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 ECIJA awarded it to M.R. VARGAS CONSTRUCTION on 2013-06-19.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 Ecija 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 4c0d29ea3c…f8a678now …
- 2. Block Merkle root changedstored b28d22ac8f…495a8fnow …
- 3. Block #1781 hash changedstored b1131acb0b…9402c4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 85 records. Each step hashes the current value together with the sibling shown.
- leaf 4c0d29ea3ceb09ced1122c34197e51afc94bab13da898611e1839b224df8a678
- 01 R 4f0bf82e0e041d29090935c05ecefe19c9c93679743a0fc593f11a00b5901503
- 02 L 507f900a6c6233dbc5e830c9d621c51e80802a01f8e10be32f19503fe709d17d
- 03 L baccd53dc0215dab4dc4948788fea7f20c1c4497fa80bfb3fbb114f3bbd289c6
- 04 L 671bcb4624e8665906532131c0088c72b7b603a464c9042bc20a36a16da32695
- 05 L ab810f4154dc15b01984fa870e54b32f9b504b65472827cb0dfcddb808e3907f
- 06 R 4b5d9aa794df6baf2273da1dc7f2d3943bae8cdddb23b0f1e068e7fa3282633c
- 07 R 7baef444b4ac2f88d26bf49cef78f50d178cc6a4ec8794dca4cac51bd03d6758
- root b28d22ac8f761b39d09b01e714bf74c5f0e73ceefced408300521f5fcb495a8f