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 - LA UNION 2ND ED Award a ₱2.4M contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
b348a3d82a1c0e407bbbf776fd63994b883d4f90a7d9a2eacdf22383d0394d12
Status:
Included and unchanged
Block:
#4,202 1,811 blocks after it
Position in block:
Transaction 248 of 377
Award day:
Aug 24, 2020 (6 yrs 2 mo ago)
Value:
₱2,400,270.33
Project:
20AF0020
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 #4,202 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 2020 LP", i.e. the FY2020 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 - LA UNION 2ND ED awarded it to E. E. MADAYAG CONSTRUCTION on 2020-08-24.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20AF0020: 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 2020-10-29). 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 b348a3d82a…394d12now …
- 2. Block Merkle root changedstored e2ad555052…ad39e1now …
- 3. Block #4202 hash changedstored ea5cb3007f…d0e66cnow …
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 376 records. Each step hashes the current value together with the sibling shown.
- leaf b348a3d82a1c0e407bbbf776fd63994b883d4f90a7d9a2eacdf22383d0394d12
- 01 R b3aeffb9d9a72e9a8db4591ec918890aa32372e8624bdc00f93639c7ec3baf46
- 02 R 2d04a33590d0f9cb958d3402db4fdcadad5068f97c7f2112a66a21f7b846a453
- 03 R d68bfbd0b44ca38160a1c673b28734aa88dcdb476d72a79a3a0633105e495ea4
- 04 L aa3ed35a7bd5d20a18c9e7581a7ff8a1be78386b49429c15bea4bf9f8e4c5dfa
- 05 L 141b4838749468bf9439f8089588b5316f2b73555b9997f1f48d6f9b4071b644
- 06 L ff20ce22421b05cada51992d34785d1a5d7dee6e1244c8f29442e0e33f47c661
- 07 L db7c35044eb433d217aefa94bce80bd41e5b6dc1dee423b4ac8613725388edc5
- 08 L e2b4a7a6c67b130f381a49eb8b053aad6615aacfce47912fb8822d61b615d946
- 09 R b315a325592e9d85c84cea78a739f5d6d7f04d37710e3f3e4b8e6b2e539432a4
- root e2ad555052b0a2f5d0043686645b08b5fff657ed1c4a84769a3665c7ddad39e1