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
TARLAC STATE UNIVERSITY Award a ₱16.0M contract to ORIENTECH CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
bb137c30da916631edf2c87f5b4bba411885eee11bc480ee5bb576e23b8f4757
Status:
Included and unchanged
Block:
#4,393 1,620 blocks after it
Position in block:
Transaction 322 of 425
Award day:
Mar 17, 2021 (5 yrs 7 mo ago)
Value:
₱15,953,775.41
Project:
COMPLETION OF FOOD TECHNOLOGY & RESEARCH CENTER BU
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 #4,393 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)TARLAC STATE UNIVERSITY awarded it to ORIENTECH CONSTRUCTION & DEVELOPMENT CORPORATION on 2021-03-17.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 bb137c30da…8f4757now …
- 2. Block Merkle root changedstored 8c5ffcb059…f2195bnow …
- 3. Block #4393 hash changedstored 02c39b414f…28ab51now …
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 424 records. Each step hashes the current value together with the sibling shown.
- leaf bb137c30da916631edf2c87f5b4bba411885eee11bc480ee5bb576e23b8f4757
- 01 R bb3b799a553a8cb6d63f6cb6b907422066b186f1f6731d702b47489501f367d6
- 02 L f561629c1c0089fff71439e3d3683a22341119d51a1b6cfea5db19f961046c24
- 03 R e672fea08db4c77d70128fecd936b64c4df1249d20358f536b8fc553f13b42cd
- 04 R fdd4670f0a8399757cf3e46f731b8df9d94c070bf9f77ffa6436aaf49ba1e7ac
- 05 R 6ce6b54051eb091c08bdf6f808419e592dd0fc66821e21f3242d3b8b4bf45af3
- 06 R 40ce43336b4cf205ad979785ef703e7584905f278cc8ba249341648a97c95284
- 07 L 9f445ecd04921abb1b2adf99ad7faf864231ae40377698c794eba1629319ddb1
- 08 R d6b6891073ccfc7d6c1cfceac4e540c006b6f874dce864c5923a8eb197c0c579
- 09 L bde3aacc97373b7826a2d52f5719a5881363f05406b09a66de23f59f9bea21c6
- root 8c5ffcb0596443fb0270746722bffa990b1f15bfb85c464f8eb41dd995f2195b