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 - NUEVA ECIJA 1ST DE Award a ₱4.2M contract to M.M. SERRANO CONSTRUCTION COMPANYNational agencies
Transaction hash:
fbdc76bdbc04dbe6c00d5d202c166cd43203a3465ead9033a1a28c8728b77abc
Status:
Included and unchanged
Block:
#5,147 866 blocks after it
Position in block:
Transaction 472 of 487
Award day:
May 8, 2023 (3 yrs 6 mo ago)
Value:
₱4,214,129.67
Project:
23CE0170
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 #5,147 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA ECIJA 1ST DE awarded it to M.M. SERRANO CONSTRUCTION COMPANY on 2023-05-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23CE0170: 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 2023-11-20). 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 fbdc76bdbc…b77abcnow …
- 2. Block Merkle root changedstored 72f68c9478…b4dac7now …
- 3. Block #5147 hash changedstored 253b8af2bd…c5d05cnow …
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 486 records. Each step hashes the current value together with the sibling shown.
- leaf fbdc76bdbc04dbe6c00d5d202c166cd43203a3465ead9033a1a28c8728b77abc
- 01 R fc47cb525b336fec90f7c2454f1a4a8c18fbd442e83a1324527d2ace87cafa59
- 02 R e579f4e8545d70bf29d3225446e3e31dacd2b10cd5f2da7c21011a9097e07e02
- 03 R 9efddc38b5bff75ed22398d412477bbc3fe3f624806e45046fb0cc724619df65
- 04 L 80c3839f148e9ef1bc52b9b308408f1dbd70a8e34fd8260648ec1e5a4296ccab
- 05 L 639aa1d113582775414f620c232e5d4c9224b3e00259390eb025c9e370c65e06
- 06 R 2cb0714734b6302c9d197875554991be1b398b4cb8ae82f3565ef49c21f6048e
- 07 L d627cb174df489e3b8bd6615740dd6ec9e39da27afadd7a015f58a66706725a0
- 08 L 9532b15dc197509490c100134a465031813449675635ba5d8d87bac14827c06f
- 09 L 9a4299424b5ff257b66478d6b7f1636768b8bd4a3eccb96256f4808e5c9dccf1
- root 72f68c94789a3829a5f7a6d87e17edf4d89ae5abd4d06977fddcd08852b4dac7