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 - SURIGAO DEL SUR 2N Award a ₱4.8M contract to SVTS BUILDERS AND SUPPLYNational agencies
Transaction hash:
c19f70963779990a190659bbee7ccfe5c1d1be812bfe39e34cf26ec6d57623f9
Status:
Included and unchanged
Block:
#4,712 1,301 blocks after it
Position in block:
Transaction 522 of 686
Award day:
Feb 7, 2022 (4 yrs 9 mo ago)
Value:
₱4,753,746.31
Project:
22NI0002
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 #4,712 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 2022 CSSP", i.e. the FY2022 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 - SURIGAO DEL SUR 2N awarded it to SVTS BUILDERS AND SUPPLY on 2022-02-07.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22NI0002: 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 2022-09-19). 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 c19f709637…7623f9now …
- 2. Block Merkle root changedstored 25545dc17a…47fb08now …
- 3. Block #4712 hash changedstored f9dc3fcdfe…1ee3d5now …
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 685 records. Each step hashes the current value together with the sibling shown.
- leaf c19f70963779990a190659bbee7ccfe5c1d1be812bfe39e34cf26ec6d57623f9
- 01 R c1c0a5461b14fb3f7cd48b9b97a80cf77e61a94bd206fcabf4bc701911354f29
- 02 L 8710b4aab149df8837a37f6323fd7cbc26769caeb76675ca9cb9b3c7ec150050
- 03 R 54bbf27ba25355e729db2d6636bcfabe1addc817aa656d38ddb3d35e452db0b4
- 04 L 637f6ec77f592bc45b84fbf3d49b32c12fd1c2eb7d7835c14c75b522f36adbab
- 05 R 2b30a70c9c7c57ed66bdff8aea02b3839bbdf4a247ed8192fc821d81d2b8d4fc
- 06 R 0ec08fa13de12a7a4d841e289fc95c099ef93d6274bd64e8c1cc9b1da9e55c5a
- 07 R 7730d568c70c929f2f2871e0bb71af247f0f3a382666c1132b97b0a139b100a6
- 08 R d35fdd56092139a207bf0a35c47807f49774769c4737145bf46d830b02d13c00
- 09 R 82bd33726349500534ffae682a587cbfbc4d6bfffa265a50af4999bca14297f1
- 10 L 8e9f96d977b4123b61dcfccd526b307d4f994255b3d9486c3256b690e3600388
- root 25545dc17a5e403207ff7ac055bc0578a33eb311bc3e2bcf4449df18d047fb08