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 - CAGAYAN 2ND DEO Award a ₱2.5M contract to MATALAG CONSTRUCTIONNational agencies
Transaction hash:
7367be6cfdcb1cfd12f8b7f173d795b6456ff6f39450118c165110017b73f2f2
Status:
Included and unchanged
Block:
#3,268 2,745 blocks after it
Position in block:
Transaction 229 of 478
Award day:
Dec 8, 2017 (8 yrs 11 mo ago)
Value:
₱2,518,795.75
Project:
17BC0208-Contract Name Construction of 1 Storey 2
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 #3,268 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 - GAA 2017 DepEd BEFF", i.e. the FY2017 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 - CAGAYAN 2ND DEO awarded it to MATALAG CONSTRUCTION on 2017-12-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17BC0208: 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 2018-08-15). 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 7367be6cfd…73f2f2now …
- 2. Block Merkle root changedstored adfb85993d…101b0fnow …
- 3. Block #3268 hash changedstored 6de9c30b0e…a12ef8now …
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 477 records. Each step hashes the current value together with the sibling shown.
- leaf 7367be6cfdcb1cfd12f8b7f173d795b6456ff6f39450118c165110017b73f2f2
- 01 L 71c0ed1c03082052f0cfe6695b865c020da51aa563f1b22f47afd62e5cfb456f
- 02 R 5b72f5dab74c3de544e55c571d3d96b8609e9777384d9049fb9ce4ef02f469ac
- 03 L 60d1a688e82ced440d943e5dd0b6f1045714c30365e240afbeb792941db6f7f4
- 04 R 813089462df5ad2eee5c702929eecaaefe869862ba188c92213059d865bbce74
- 05 R dfef9acd95755f4b57ac3807ee1ff4a3e8e904f0f5c6920d833930b25500c828
- 06 L f612d502efd06a69b0bb45b586e3ded059467de2254cd3491563eb47f8199e3b
- 07 L 140e61072e22d503eb7b5e67f3b8a15dcb4edf448a6adf8fc71ce8563cb2401c
- 08 L 89ff70e0d192709cbd7d28a845579903ef62f31590bceed7a94e1270c7dda5bd
- 09 R b73aab02621de84b746c6502742de3d82e6dd9011b7c6f70f20d7b4b8e59b0be
- root adfb85993da14a506c8e44fc2d7c0817fbda0e98d0c3b86623f5a1fc25101b0f