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
CITY OF BUTUAN, AGUSAN DEL NORTE Award a ₱1.2M contract to MADYAW CONSTRUCTION & DEVELOPMENT CORPORATIONCities
Transaction hash:
fcb2cb2aa467ec5833109b5bf231a0cdfafb0d354b95a694d2f5b7febb980a6c
Status:
Included and unchanged
Block:
#1,734 4,279 blocks after it
Position in block:
Transaction 14 of 16
Award day:
Apr 19, 2013 (13 yrs 6 mo ago)
Value:
₱1,200,000.00
Project:
PROCUREMENT OF TWO (2) 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 #1,734 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)CITY OF BUTUAN, AGUSAN DEL NORTE awarded it to MADYAW CONSTRUCTION & DEVELOPMENT CORPORATION on 2013-04-19.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 City of Butuan 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 fcb2cb2aa4…980a6cnow …
- 2. Block Merkle root changedstored d39170d0a8…9ac000now …
- 3. Block #1734 hash changedstored 48644750e7…b40d33now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 15 records. Each step hashes the current value together with the sibling shown.
- leaf fcb2cb2aa467ec5833109b5bf231a0cdfafb0d354b95a694d2f5b7febb980a6c
- 01 R fe87e987364f74e5489f7e3020e5a27716aed3ea82604337a2e906e9b43b0e02
- 02 L 54b0c8ace49d5fd46baf205ed817beee01fbfb85ec4d0c57d689ae37d27da0a1
- 03 L 2ccdc7fc02bbb78a2a4f20c09f8a7aadc9e5581a11d939453b72415a99dd5340
- 04 L 29f2348c9d8c3929499fbd59669a524f56be758a50256a25ce1dd180063444b3
- root d39170d0a8cde47bb44d7bc6abe9742be15c046f7367e4798b1b6620169ac000