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 SAN MATEO, ISABELA Award a ₱3.3M contract to EXTREME BUILDERSMunicipalities
Transaction hash:
bb38388bc77ff4f9f566cab88d8ff60e61e8d1a8d5553ecda0c354097f3de4d0
Status:
Included and unchanged
Block:
#3,462 2,551 blocks after it
Position in block:
Transaction 375 of 506
Award day:
Jun 29, 2018 (8 yrs 4 mo ago)
Value:
₱3,303,200.00
Project:
CONCRETING OF BARANGAY ACCESS ROADS
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 #3,462 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 SAN MATEO, ISABELA awarded it to EXTREME BUILDERS on 2018-06-29.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 San Mateo 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 bb38388bc7…3de4d0now …
- 2. Block Merkle root changedstored 3cf6dc3661…f5c70bnow …
- 3. Block #3462 hash changedstored f9edc19828…42ba34now …
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 505 records. Each step hashes the current value together with the sibling shown.
- leaf bb38388bc77ff4f9f566cab88d8ff60e61e8d1a8d5553ecda0c354097f3de4d0
- 01 L bb0e7fdc82a3b407730869d7f379ec51cc0e153ca78a68f32a2a7c1c0c923593
- 02 L 0a6e8b74af5f26af80a97a1e9064457d2773ccc994e2f55ea02f4c77ce7ca0ae
- 03 L 3830f9bd18047387be872d3cfbe5df911188b1b22fc872a90ace9fdf1191ebd8
- 04 R 32e77c172724c85c441f9ad65516cd9fb95b1db0ec25f62555751732238fc12d
- 05 L c9d32e6a6d4fc48ab06222bc341ce2fc723ce5e308e1ccd1680ca2f87600e038
- 06 L a0a06433d6bf10345b966ec62d3dae01cdaf6ae4ac33883c83534f88759714cb
- 07 L 78b6701d0b1fb81ab82523738389092a378ef7ad8198d03cf2377264d049b97e
- 08 R b9d99a3b103b86b3ee98ed5943f03742005ec2323005249e275f8799b966dad1
- 09 L cc089fc6e663c61006150c17c1e7ea9bc99e2ce9193b786411ad3b4a0bf2e778
- root 3cf6dc3661b7f274d3bbaf47ec04a279313f6eae818b47a4870cdde858f5c70b