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
DEPARTMENT OF EDUCATION - DIVISION OF ALBAY Award a ₱3.0M contract to TNB BUILDERSNational agencies
Transaction hash:
aa19e8671b5deadf13d83ba82da0791d0553f196d6f157c10f397f1afc8a99a6
Status:
Included and unchanged
Block:
#4,604 1,409 blocks after it
Position in block:
Transaction 139 of 206
Award day:
Oct 20, 2021 (5 yrs ago)
To:
Value:
₱3,041,614.52
Project:
CY 2021 QRF Repair/Rehab
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 #4,604 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)DEPARTMENT OF EDUCATION - DIVISION OF ALBAY awarded it to TNB BUILDERS on 2021-10-20.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 aa19e8671b…8a99a6now …
- 2. Block Merkle root changedstored d8c35e149e…efff89now …
- 3. Block #4604 hash changedstored c77bcbbf8b…4cf7c6now …
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 205 records. Each step hashes the current value together with the sibling shown.
- leaf aa19e8671b5deadf13d83ba82da0791d0553f196d6f157c10f397f1afc8a99a6
- 01 L a5e2c4e0af4c78aefb61f1fa182461baaead02736a07c887402bb7b148f1dc45
- 02 L 58debcbe4719815b23d68162b8ccf38bab5f1227621287ed18f42eddec65d726
- 03 R 712282547cc24054cac93562a293867d01bb8844647a361e927471652292e5c7
- 04 L 9fd7caed167bfa9650f7e90de306791f4eb3ba1f8abd21193a0318f3ee2dac4e
- 05 R 86ad6b76296dcb8c11a08017dcf989aa12861773527382dc35ba7995f4f3003c
- 06 R 0544c3abcd833c59295db07538da9e5c0593689e2de34c3f601f857041bb5147
- 07 R b078fe5967f335f8f32ec87744ab65a85e56e18782c9f84bc839588128d83672
- 08 L ced1b03b727661916ec04435908e3b09e979cd11f0b79ef0290a9f3e197d342a
- root d8c35e149e029159590f13f3d6196c91549b6588807f1a3348fcbadde8efff89