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 PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED Award a ₱37.5M contract to R.T.Y. CONSTRUCTIONNational agencies
Transaction hash:
ccf8e4caf218c5194fd563223e331c8fc3eace5be96fc098632202c4d30691b2
Status:
Included and unchanged
Block:
#3,799 2,214 blocks after it
Position in block:
Transaction 742 of 927
Award day:
Jun 24, 2019 (7 yrs 4 mo ago)
Value:
₱37,509,190.05
Project:
19DK0002
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 #3,799 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)DPWH lists the funding source as "Regular Infra - GAA 2019 OO-1", i.e. the FY2019 GAA. The exact UACS line is not given.Partly
- 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 PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED awarded it to R.T.Y. CONSTRUCTION on 2019-06-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19DK0002: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2020-02-08). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 ccf8e4caf2…0691b2now …
- 2. Block Merkle root changedstored f6b9d3d0e4…6cb562now …
- 3. Block #3799 hash changedstored 81b0f0976a…b5ed7fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 926 records. Each step hashes the current value together with the sibling shown.
- leaf ccf8e4caf218c5194fd563223e331c8fc3eace5be96fc098632202c4d30691b2
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- 05 R 4e1b16c609b1890c474ea48534707a33df7a9dd1e471e116a45986e35fc3571a
- 06 L f908d978c4723002654b0d9eae1c6cce7296a7a677cc301181f430d4eb7a0a81
- 07 L 7d726aca32fe9e8cc6e6c7b36ae6ae72af5491d0b80849d8f176f54cd94013dc
- 08 L bb305a2ae9abe58a28ad0ae97789f51a2ea963d7368ea3642318b2cd469cf9b1
- 09 R d787d4f3985eb80442cc3249a0770c89ba419896603463a0216ac049dd696d45
- 10 L d7a5abdabf635d582503b15e2ea434ebc58b452d4f510a1146d81c4ee6c5dc19
- root f6b9d3d0e445791d9f4b40a5acb5083ab6ad8a963852eb1add6bf40d176cb562