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 DAVAO, DAVAO DEL SUR Award a ₱133.0K contract to BUILDERS MULTI-PURPOSE COOPERATIVECities
Transaction hash:
ecf5a4ea191ffe10089fd660d6f888afe3aa161f730bf41cd4050e06dabd4605
Status:
Included and unchanged
Block:
#667 5,346 blocks after it
Position in block:
Transaction 37 of 41
Award day:
Aug 19, 2009 (17 yrs 2 mo ago)
Value:
₱133,010.13
Project:
Riprapping of Canal at Generoso Street, Brgy. 18-B, Davao City
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 #667 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 DAVAO, DAVAO DEL SUR awarded it to BUILDERS MULTI-PURPOSE COOPERATIVE on 2009-08-19.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 Davao 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 ecf5a4ea19…bd4605now …
- 2. Block Merkle root changedstored d5f71e2dd1…91b87anow …
- 3. Block #667 hash changedstored 3ea725f69f…dde4e3now …
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 40 records. Each step hashes the current value together with the sibling shown.
- leaf ecf5a4ea191ffe10089fd660d6f888afe3aa161f730bf41cd4050e06dabd4605
- 01 L eb8c3b39bb5242d2fa7b58604cd416190a80bdea8da1794af141e6f8eef921a7
- 02 R b39fe6203a1a828e18e3245a62781e930d04e0c3437cb638587f5b0b488d2b13
- 03 L 4ead2f855f09335cd8aa8394766ccdc9b2bf15fd0549dae99d6d089114d6c5af
- 04 R 2f6319fd91a3f7de7bde757043879b9a6adf7f6f16ed8f5f22eada31601df221
- 05 R 2c44a795b68ee67c9696241f6c82d8ca0b6d21fae151cd8e6fbc8e9c75581258
- 06 L 78453e4d3daacf64756dfd4e83d2ff9544f6ac5451e1b34c7e7276437e0d7999
- root d5f71e2dd167b8063c97b8ad8f261ab175cffdd8e38a2621f7338b197b91b87a