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 - ABRA ED Award a ₱91.7M contract to MG SAMIDAN CONSTRUCTIONNational agencies
Transaction hash:
8f044b985ea662dc65714ec2e37742a9f2ba836cd990e5941ed61f4b935fb2fe
Status:
Included and unchanged
Block:
#4,983 1,030 blocks after it
Position in block:
Transaction 233 of 438
Award day:
Nov 21, 2022 (3 yrs 11 mo ago)
Value:
₱91,692,178.66
Project:
22PA0344
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 #4,983 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 - ABRA ED awarded it to MG SAMIDAN CONSTRUCTION on 2022-11-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22PA0344: 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 2023-07-11). 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 8f044b985e…5fb2fenow …
- 2. Block Merkle root changedstored c87b26afa7…edc979now …
- 3. Block #4983 hash changedstored 9d5d0c2b69…1bf680now …
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 437 records. Each step hashes the current value together with the sibling shown.
- leaf 8f044b985ea662dc65714ec2e37742a9f2ba836cd990e5941ed61f4b935fb2fe
- 01 L 8ea3b3d78365898fc5253c3d0ccaa59ec8e9d0fa5d593cf4a95175d99c04752f
- 02 R 74140a2fe2b824a2921148f87e5ae316c3ebf359bfb1fc7fc2547b1ff9392c2d
- 03 R 24cef00dac1a37f660f1aecc9bbffc0bf29a8717ecd3f736992fc498512dd203
- 04 L fc9f5d13d53790e5b138544a79382e958daf2414706d7c0c45225af64346e82b
- 05 R 2431f0677855a4663978428fb131bf35c5733c045e1729b775b8a66e8b38a17e
- 06 L f084699068ec5a8a4929ce947dd89561974ffbf0ce07c07cb66379bda114db88
- 07 L c9348abfa62fbe5b5821db564550b2a1d8c3109c0fe8f21876b4c7d45da7c1e8
- 08 L 73a88772736fe918ae6e36bd138fe1a2a32d7e7597fd798f0a7a7e771dff727b
- 09 R 13357b5e04bd62747e1ba4554fc37dec88d55a7eda7c40f1a572ad608c35d6c7
- root c87b26afa76d85f6fcb282de93082539eeff5ef8f4a52180dc670e75a5edc979