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
PHILIPPINE SCIENCE HIGH SCHOOL - MAIN CAMPUS Award a ₱12.9M contract to A.E. CENTENO CONSTRUCTIONNational agencies
Transaction hash:
30fbe0ac6bf529d104f066baf27ad7ee94f0c8ba2c3cf232c867742facfc8932
Status:
Included and unchanged
Block:
#4,483 1,530 blocks after it
Position in block:
Transaction 51 of 281
Award day:
Jun 18, 2021 (5 yrs 4 mo ago)
Value:
₱12,870,083.52
Project:
Completion of Academic Building I
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 #4,483 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)PHILIPPINE SCIENCE HIGH SCHOOL - MAIN CAMPUS awarded it to A.E. CENTENO CONSTRUCTION on 2021-06-18.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 30fbe0ac6b…fc8932now …
- 2. Block Merkle root changedstored 37ea4e361e…4994e8now …
- 3. Block #4483 hash changedstored ecb695500c…ad4eb8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 280 records. Each step hashes the current value together with the sibling shown.
- leaf 30fbe0ac6bf529d104f066baf27ad7ee94f0c8ba2c3cf232c867742facfc8932
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- 02 L fd535b2a03a2aa867e4e50aa7dd94224a3704f71201ea9ad45acae9d4454df7f
- 03 R 7f222a6d3a230f785859a4b34b9f9fd695725210961ebfd8a6bdce40008df948
- 04 R 4be6a33cfb0ffac79ad4ee9b7fd5aa28ab2f132005451a1ad2fe39483603fda6
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- 06 L ffbf071cba5bfcde3d02147f0a7c3658bd4587ea046462a480e94acb60495773
- 07 R 01b600fbffa3601fbfbb43639d0667615a4ba2ca2f9245171f75508ba18c7566
- 08 R c5a24acec4942f2a260fa39fa233131026baed48e5bcf9c1110a0a1379a21cc9
- 09 R d2ac7d5067916f990b82f3bc706e9908b26706cfbef19e38a574ea910469b001
- root 37ea4e361eb673d739ebf15f63dc122b760f90c1143a0366721bd6734d4994e8