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 - REGION X Award a ₱6.7M contract to HAN BUILDERS AND DESIGNNational agencies
Transaction hash:
c9971289093ddd55dbde46dbc6a3e7401d49c91c528ceb4a10cefbf5f7cf534f
Status:
Included and unchanged
Block:
#4,915 1,098 blocks after it
Position in block:
Transaction 228 of 302
Award day:
Sep 12, 2022 (4 yrs 2 mo ago)
Value:
₱6,721,876.13
Project:
22K00129
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 #4,915 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 - REGION X awarded it to HAN BUILDERS AND DESIGN on 2022-09-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22K00129: 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 2023-02-18). 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 c997128909…cf534fnow …
- 2. Block Merkle root changedstored db1bcd9d0a…ada701now …
- 3. Block #4915 hash changedstored 0b24e5edae…ef361fnow …
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 301 records. Each step hashes the current value together with the sibling shown.
- leaf c9971289093ddd55dbde46dbc6a3e7401d49c91c528ceb4a10cefbf5f7cf534f
- 01 R c9b32051c7c8ae0af25875c9e1a67851062b09468515588ec898c8de893a4f80
- 02 R f9a01080c761e24bbbad32fee38bdeaba280a616abf988beba608af329fad457
- 03 L 82edb5f0af1e0ed6be79d309ea2d363063a993c43eeb3c5434c0f5793c46be4c
- 04 R 70afa6fcb7b35e55521d62f28158c6d33a2f95c6c1d497bf708733ee21086680
- 05 R 9a9842a24c0522a620cb5a663e3b273d6f8a6710578ac0b4acb31fd1d5d27e8d
- 06 L 8a979cef6971f7ca6e70d48eaf44ebc9ad1bcae04f5b83b7a4ec55f57d5576c3
- 07 L 3adb685ec640286571a48b17fb9cf030f80f4056128bf488078eeb05b33dce5a
- 08 L 385dafcc1656b12f3ebb5c47008137603db2c0979d9d702404aa1abd91f87f41
- 09 R 8f96ed6a515b72f4ed3f10bf73bdb235f7daa29c2c4dcbad33a6b44066acca77
- root db1bcd9d0a3a278e5d48f852f843a6fb6a91d7931edfed2b07a538d6b7ada701