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
DPWH BATANGAS I DISTRICT ENGINEERING OFFICE Award a ₱4.8M contract to MAC BUILDERS CIVIL ENGINEERING CONSTRUCTIONNational agencies
Transaction hash:
68f2057c161e6d6d12d8a1493210858ecdc2da35551f580790638d229fe5a557
Status:
Included and unchanged
Block:
#5,075 938 blocks after it
Position in block:
Transaction 77 of 207
Award day:
Feb 23, 2023 (3 yrs 8 mo ago)
Value:
₱4,795,030.38
Project:
23DB0078 - Convergence and Special Support Program
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 #5,075 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 2023 CSSP", i.e. the FY2023 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)DPWH BATANGAS I DISTRICT ENGINEERING OFFICE awarded it to MAC BUILDERS CIVIL ENGINEERING CONSTRUCTION on 2023-02-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23DB0078: 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 2023-08-03). 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 68f2057c16…e5a557now …
- 2. Block Merkle root changedstored 85563d7d8e…3f2dd5now …
- 3. Block #5075 hash changedstored 8eb54bc434…1d3904now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 206 records. Each step hashes the current value together with the sibling shown.
- leaf 68f2057c161e6d6d12d8a1493210858ecdc2da35551f580790638d229fe5a557
- 01 L 68dee3b1b6a42999c7df9a5895996564b5c0da58e71344bc9c4b40261e0535ad
- 02 R 327e221257ea394902a40ad5e2a25b73ef67ae94855c67cb922dddd90453adc8
- 03 L 8f2ef04b0956d42ceaf3bd31a4e817f562ed22a64ff9840da6b5bec22952715a
- 04 L b2f571e715e700ea3e6274e54e1ae45c5bf0207e8bd3d076ad3403cd846e4581
- 05 R 6ed92e4d6b51ef648842bf4afe0d01199bf92109e9d75241ff098e5b5f82a668
- 06 R 343ab122e6cbc9dfa8d0ab9fe8f3bc9c119db94b3fa38cd10a7c77ac33ece370
- 07 L cc5410adbd29ad1ab8fcddad46ac587ec79ac2c071188d95dd39b67688fb5688
- 08 R 32a38bb5a37ccf722ccdef4ed2e021abdb6abeeba806030bdb9de048cc8dac51
- root 85563d7d8e3bfb50c07f2587f0adb486a6fe26595c2ec9b7f44fba51bc3f2dd5