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
PROVINCIAL GOVERNMENT OF CAMARINES NORTE Award a ₱1.8M contract to O.L. DE LEON CONSTRUCTIONNational agencies
Transaction hash:
387196df06340c8a065f9beafb40a3758373822643c71d41e41a84faa787f7b7
Status:
Included and unchanged
Block:
#5,741 272 blocks after it
Position in block:
Transaction 34 of 235
Award day:
Jan 13, 2025 (1 yr 10 mo ago)
Value:
₱1,805,637.50
Project:
Construction of Concrete Fence
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 #5,741 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)PROVINCIAL GOVERNMENT OF CAMARINES NORTE awarded it to O.L. DE LEON CONSTRUCTION on 2025-01-13.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 387196df06…87f7b7now …
- 2. Block Merkle root changedstored eb5afb2b13…a3e03cnow …
- 3. Block #5741 hash changedstored ef10d9b337…a70928now …
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 234 records. Each step hashes the current value together with the sibling shown.
- leaf 387196df06340c8a065f9beafb40a3758373822643c71d41e41a84faa787f7b7
- 01 R 3a837c4cfe797d524c6c32097e3874a2b58110cea362d5bc040e60e4b748f1e2
- 02 L 0d86af6e3620b0e987af0d2b0a07a14e72e23b648b2e0197d1116ae6ee23904a
- 03 R b67d9d8995ef0feb8610b341f13529e44002f9cb5da269cbe66739ebe51a7554
- 04 R 27c5368f61d72cd5cd2f347d787062f9d7ac3b8edef90ef51856f8ec62395044
- 05 R 424d84c5ae422db882e7e1153adef88bed63c1d7e337bf88a07d2f659e870223
- 06 L 5d14aaf44aca49709acae8b6fa0ba973d39df3e6c981dff6344138439cdf86cd
- 07 R 4178a1b7c12ab7f50e8c9b2b7bda7ad7bc0f94e765193507fea823c431950738
- 08 R 49ebd33ee79e33fd3e530a2395433982e0540727a0cd65984d45894994d2d440
- root eb5afb2b132aa24a31339aa908152483f6345dbf18be8bf058c296e053a3e03c