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 SANTA, ILOCOS SUR Award a ₱1.5M contract to MBB CONSTRUCTIONMunicipalities
Transaction hash:
d4979ba7e0110f3aebaba64bb1725e09182f40ec79619e7325a0ebcbce2fb002
Status:
Included and unchanged
Block:
#1,624 4,389 blocks after it
Position in block:
Transaction 50 of 56
Award day:
Nov 29, 2012 (13 yrs 11 mo ago)
Value:
₱1,493,542.48
Project:
Concreting of Farm to Market Road
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 #1,624 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 SANTA, ILOCOS SUR awarded it to MBB CONSTRUCTION on 2012-11-29.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 Santa 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 d4979ba7e0…2fb002now …
- 2. Block Merkle root changedstored 8ec2886135…33fbbbnow …
- 3. Block #1624 hash changedstored faa6166f79…fa1eecnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 55 records. Each step hashes the current value together with the sibling shown.
- leaf d4979ba7e0110f3aebaba64bb1725e09182f40ec79619e7325a0ebcbce2fb002
- 01 R d52964c2aaa2d4139ee1d6f00c09f612d676db9d6179323787bf94a41fb80c58
- 02 L a89224af3e7f7eb380272af504cf7c1e7ee5c657224401f1d0646cb56a1d4123
- 03 R ec2a7cd3544b200626cd3f6e33657c788155d63e5b6aeef6e1d0042cd48ac39f
- 04 R 4de22e985b99963f10ca4a10631c6c4cf06abbd1a5c12e835c4f450e0a1c4cf7
- 05 L b094e4cd12b2ace51d6569af89f6205ed56ede6db2f70c223b10789d388087a8
- 06 L 1effe758df20270f5877f824c16b5ed932031e790cb84e8c7213f89d3437f233
- root 8ec2886135ee2fd609f7879809bf066900428fbfa6d146f0cf35d7cc1c33fbbb