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 AURORA Award a ₱3.4M contract to V.B. DONATO CONSTRUCTIONNational agencies
Transaction hash:
191e699e29f36f283dbbc8ba4c7b21f7ec25c320efbee17c272db671abb98f8c
Status:
Included and unchanged
Block:
#4,592 1,421 blocks after it
Position in block:
Transaction 28 of 192
Award day:
Oct 8, 2021 (5 yrs 1 mo ago)
Value:
₱3,432,226.68
Project:
REPAIR/REHAB OF VARIOUS SCHOOL BUILDING CLASSROOMS
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 #4,592 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 AURORA awarded it to V.B. DONATO CONSTRUCTION on 2021-10-08.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 191e699e29…b98f8cnow …
- 2. Block Merkle root changedstored 55801f84c0…69549fnow …
- 3. Block #4592 hash changedstored 5ccae83ff1…7c3bebnow …
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 191 records. Each step hashes the current value together with the sibling shown.
- leaf 191e699e29f36f283dbbc8ba4c7b21f7ec25c320efbee17c272db671abb98f8c
- 01 R 191ecf4c19745c705d73a4b40baeaab195ad0d2abe29bdea071543d1b0fd6b35
- 02 R 666a1dec8119a8dc742433804131d306f751b0844f3cad9a427da547e3995819
- 03 L 71dec462ae3ee320fa690d267b7a5ed6518f8238f2b9b213e7f907f6620ea3c2
- 04 L 454b69e03f89796381b06892a272d306363d2c343d5177820bd4243e9e8e7c5f
- 05 L 0200f4b1d52d5d6026351813fe8a681abb76b8e541d045d77b1364f0b6965882
- 06 R c323fdb49fdaaad18ff172640e874699507fec5194256e482e253ca404a05f9b
- 07 R 23a2f0ecd9404579e3e3e9881bc81d939b5d2d313d87bcc11d42161def14738b
- 08 R 1fcb73537b4c5943386fbe59a80190dce314711a3dfa1772262a784620020168
- root 55801f84c0025e4f438200940e450dcded9c29b23285f88970a634053669549f