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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 1ST D Award a ₱1.5M contract to NORTHLANDER CONSTRUCTIONNational agencies
Transaction hash:
ff0dd4fa20d98eefbb91e08b89135670d32c3b3aed8c64811d7460f6d46d5f2c
Status:
Included and unchanged
Block:
#4,120 1,893 blocks after it
Position in block:
Transaction 109 of 110
Award day:
Jun 2, 2020 (6 yrs 5 mo ago)
Value:
₱1,461,785.36
Project:
20AA0336
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 #4,120 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 1ST D awarded it to NORTHLANDER CONSTRUCTION on 2020-06-02.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 ff0dd4fa20…6d5f2cnow …
- 2. Block Merkle root changedstored fc80299979…b07812now …
- 3. Block #4120 hash changedstored 5f373869d3…36460bnow …
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 109 records. Each step hashes the current value together with the sibling shown.
- leaf ff0dd4fa20d98eefbb91e08b89135670d32c3b3aed8c64811d7460f6d46d5f2c
- 01 L fc8e44081e5947a0424bf9d89e8e43b736093f7ecf91ecce2dc0a3685d0d4482
- 02 R cb72b9b3bd058d96a73f93c6af487a77bd2208c9e3cb17fadf08ccd94b68c8f8
- 03 L c02da78f8675a93df00338d6cd9be42a24e3ce31f92505da1a8c593d0671475c
- 04 L b4748ae80fa20c550354c877ce54a613503c099fefc037e396082fba8292dbf7
- 05 R 3c90669cfb6eb39b72e8119095dee1a862eca5ad58ab909b3c9de029fd137210
- 06 L 2f95d325a57cff203404ce124a8ce28ad3e85fe45e88b8715c6f4c05af10d4a3
- 07 L 28d41d5ee1c8ae107682768757578173e1118ce9535821b5d90ebc625e0cf86c
- root fc802999791c6b4db5830d0e5e8e0fc26ac8d36fc3273ca4b54810df29b07812