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 - SOUTH METRO MANILA Award a ₱14.1M contract to AARCON BUILDERSNational agencies
Transaction hash:
fa2b1ca2589c0d8a8521d696286d1624a21cdd92127e11ec1608c9d912b20d23
Status:
Included and unchanged
Block:
#5,055 958 blocks after it
Position in block:
Transaction 308 of 315
Award day:
Feb 2, 2023 (3 yrs 9 mo ago)
Value:
₱14,102,733.38
Project:
23OH0020-Organizational Outcome 1 Ensure Safe and
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 #5,055 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 OO-1", 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH METRO MANILA awarded it to AARCON BUILDERS on 2023-02-02.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23OH0020: 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 2023-06-18). 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 fa2b1ca258…b20d23now …
- 2. Block Merkle root changedstored 267a15b91d…d243b1now …
- 3. Block #5055 hash changedstored 458527495f…417ce4now …
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 314 records. Each step hashes the current value together with the sibling shown.
- leaf fa2b1ca2589c0d8a8521d696286d1624a21cdd92127e11ec1608c9d912b20d23
- 01 R fa4a2209f215c55a0daaef1802b312274c8311045e5e7ca073e665231359bd54
- 02 R 591bebd3d5a320f647ef84765b43104b835c437db600938c17d9337c167f4871
- 03 L a64e14fb8c10401c684b53492b6a0d7a91eac0f86efa4b96850094554ece7055
- 04 R 709e811830cfe8abd258c4e922ed7bfc676a2f2be49865c07f864347e4a7cbd1
- 05 L 9fd88f4492ee4c71bde319ca8605a76c38a3034a1836388c75667c850cd02f54
- 06 L 8569374705c92b373524b3bddb5f15c2a2f3e0693eb71192e38841e085c64414
- 07 R 1abb14f13aa37d06143a38263f7a349fbf9d79b6167c86c75ded3a9da03a3965
- 08 R 10237bb244d920b76da3f894e1741ae5457547fe820ce9de316c88874fc2097c
- 09 L c4f9da4dc1904182b908b2c68f902009a8ed9f7f3b4312aae33edbb538ac3621
- root 267a15b91d832bb9e696d2ba671b4fd6175442b8affcedd70860928f16d243b1