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 ILOCOS SUR Award a ₱7.8M contract to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTIONProvinces
Transaction hash:
e73afeb2b62ab9a2e56bfd168a06f96ecab6ad4ca9f536dc29fa8f2ba5d8c189
Status:
Included and unchanged
Block:
#3,650 2,363 blocks after it
Position in block:
Transaction 137 of 150
Award day:
Jan 14, 2019 (7 yrs 9 mo ago)
Value:
₱7,772,752.17
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 #3,650 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 ILOCOS SUR awarded it to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTION on 2019-01-14.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 Ilocos Sur 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 e73afeb2b6…d8c189now …
- 2. Block Merkle root changedstored 1d47a251c7…6b572bnow …
- 3. Block #3650 hash changedstored ca4e0a7d13…aa145cnow …
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 149 records. Each step hashes the current value together with the sibling shown.
- leaf e73afeb2b62ab9a2e56bfd168a06f96ecab6ad4ca9f536dc29fa8f2ba5d8c189
- 01 L e5133642530c8fb0e1a97921c5d76dc7e8587b480b6ba4d142f1b5c14a9df60f
- 02 R 83e31c6381e4993d89cfe45ca11f4627a7c8ff233db7a8391ee715ec3b019bd8
- 03 R 9079be04666c09d55ce06ad12ac6cbb9fa294bafac6c06b6fc2c819489b77fcf
- 04 L c5d11c6badefa46e694ad9bb5634ec97233d083c2d6dbf36db8c6a2c79827f7d
- 05 R eac4554806189d79d8c9452885fd70ba97bc706afbbdbae9dc46596b6608aa0c
- 06 R 2e774b68f36a170f11c8172c342758eded82225b46607bc62d030135235819e6
- 07 R 450cee2820312ad3bb8998bf5a823f054fa947deee2e59062fee470d462a087e
- 08 L dd74692a9f844a0d773215c26d2ff042053579435d0f7d744f4a2c7a0e5febaa
- root 1d47a251c7ab08e163e1d8d40a108833665188b058cb6e40527d4ff9aa6b572b