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 ₱4.4M contract to JMCQ CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
09ca0ebc0cf8833ebdda40e8ecd51a5afdcdcfe2976c0bf7b036d0328086db90
Status:
Included and unchanged
Block:
#4,655 1,358 blocks after it
Position in block:
Transaction 12 of 284
Award day:
Dec 10, 2021 (4 yrs 11 mo ago)
Value:
₱4,410,819.97
Project:
Construction Projects
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 #4,655 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 JMCQ CONSTRUCTION AND SUPPLY on 2021-12-10.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 09ca0ebc0c…86db90now …
- 2. Block Merkle root changedstored 3c00af44eb…54887enow …
- 3. Block #4655 hash changedstored 1b7479b13e…0757a6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 283 records. Each step hashes the current value together with the sibling shown.
- leaf 09ca0ebc0cf8833ebdda40e8ecd51a5afdcdcfe2976c0bf7b036d0328086db90
- 01 R 0a7c9ffba987bee3a805dbc557c93a4d3c7cda2cfdf3aa90ad79ab724c52a0e0
- 02 R 1c0a53e5e5fb6548a4314ea889178924b30c96832821702885b5d9112f4d41aa
- 03 L 9393ae4fe06c6457c7e4fc35b8e3833efcdb7bd6e2d49e7c6b52b78b7fd7dd16
- 04 L 74a5ab25919592f088895fa9d1647e2d322cbc8fb7cc181bb4d119222d6d869c
- 05 R 84f2494db0ced9958a4b3648284ce4d9720a6a3daa0690a3c36f777a65fe8da0
- 06 R 3c3f2b884e0b86c2c7eda0a90a0b11136bcd6c427e7ac106e1d665916f075450
- 07 R 3fa8002b1a08bbc6920d723240e6b1a7ec4208b94e411a3315823bf857f65608
- 08 R 64f38cf04d2c34ae1803d29c4cc3a3c02c6cdb1fc3d56141b74eef59b1cee789
- 09 R c7166c54d80b7afbfab14d6b1b8beb09e751c974eea83b43f56d17c884fccbdf
- root 3c00af44eb1402a6bafae3517af8f76f0218fc77e1a68585fd959bf59054887e