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 - ILOCOS SUR 1ST DEO Award a ₱19.3M contract to MAPLE LEAF ENGINEERING AND CONSTRUCTIONNational agencies
Transaction hash:
bccc9fc0f3d8528b86fb18fd17afff61077057e07ab76c938326200265c3dca0
Status:
Included and unchanged
Block:
#5,042 971 blocks after it
Position in block:
Transaction 80 of 113
Award day:
Jan 20, 2023 (3 yrs 9 mo ago)
Value:
₱19,301,820.34
Project:
22AC0094
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 #5,042 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 "Outside Infra - Trust Funds 2022". 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 - ILOCOS SUR 1ST DEO awarded it to MAPLE LEAF ENGINEERING AND CONSTRUCTION on 2023-01-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22AC0094: 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 2023-08-16). 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 bccc9fc0f3…c3dca0now …
- 2. Block Merkle root changedstored c5620e61f5…b0a953now …
- 3. Block #5042 hash changedstored c012afb0a9…e1e381now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 112 records. Each step hashes the current value together with the sibling shown.
- leaf bccc9fc0f3d8528b86fb18fd17afff61077057e07ab76c938326200265c3dca0
- 01 R bfbe9edc4b812b6ed4c3ca1f3bd920e8f6e11d05f6bbc8adeed24485698e5b72
- 02 R b708ab7838097ccf5f8516f9a24c195312e6efe6653d0428e3490197330e6099
- 03 R 7f8f355fea7c32ced706b8776e619d8c56689d1ae4f1d73abf0d49d33152d649
- 04 R 3d448370e12145c45baef19b4c95d77104c0c16434068a034637cdfcc2cfeed5
- 05 L b0ceac8dc49d17257af830a07d7b1136e75846cea785a0d1ad87e353f63fc787
- 06 R b90712669a82ed9c2872d269db68392467aaa9654a13e1dce91a8d43ed5973a4
- 07 L 19f8df105c031198200db7f83684207c1999ffb3c3de8755a071f780e04629fd
- root c5620e61f593794983aa938801cfe984ae9218c0283ef9b24f5fdb1aceb0a953