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
MUNICIPALITY OF SANTIAGO, ILOCOS SUR Award a ₱3.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
b30faf084e4eb3d35cfbc1d6639a2ac967acbbd9a36b525cc68e3bae50b68089
Status:
Included and unchanged
Block:
#2,869 3,144 blocks after it
Position in block:
Transaction 106 of 153
Award day:
Oct 5, 2016 (10 yrs 1 mo ago)
Value:
₱2,998,260.00
Project:
CONST. OF AGRI. MULTI PURPOSE BRGY. HALLDAN-AR
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 #2,869 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)MUNICIPALITY OF SANTIAGO, ILOCOS SUR awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2016-10-05.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 Santiago gave a "not stated" 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 b30faf084e…b68089now …
- 2. Block Merkle root changedstored ed4e29126e…b4993dnow …
- 3. Block #2869 hash changedstored 0416021660…81f932now …
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 152 records. Each step hashes the current value together with the sibling shown.
- leaf b30faf084e4eb3d35cfbc1d6639a2ac967acbbd9a36b525cc68e3bae50b68089
- 01 R b4088d03c2b3a700084f8b90f51f2db9c9dc2e28449009fef6dbf71085813389
- 02 L 1f6893fc7292a13cf329e69b1e878eceec43264dcc12cc0495582aeb67f9ce6e
- 03 R d70779626fd6fda60cf0c9a2692a01f045d14221d14b733547f4a539f65cd51f
- 04 L 592a928bdb80e097f6223a69333b63fc1683837e66903a54766e9ac129a8d356
- 05 R 50e6680c3ed1d9ca4769dc7acea242b283b9eeff3bbb7ba285383604f144c06f
- 06 L e07573d4b1554cf0a9304ce6a7e805be8a7f6750d0f58b481a9fdbe0aaf9752e
- 07 L 114d2a7ea315db664e453ea24b32193c326584aaf924883b0715add99a52c2a2
- 08 R ce009566127e729d6cde1200f058edd8cc6c9bfeae20c0fc9f3b1f06cf45dcb1
- root ed4e29126eaeaefca5550cf362f74c54eabb6206976d34c4c4c9e2519fb4993d