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 - MOUNTAIN PROVINCE SECOND DISTRICT ENGINEERING OFFICE Award a ₱53.9M contract to MG SAMIDAN CONSTRUCTIONNational agencies
Transaction hash:
b2fbcd39321eb954bdb769d95ff90dbd22e42ebdd0de9cccfa0657269705bac3
Status:
Included and unchanged
Block:
#3,327 2,686 blocks after it
Position in block:
Transaction 204 of 292
Award day:
Feb 7, 2018 (8 yrs 9 mo ago)
Value:
₱53,888,736.00
Project:
17PM0026
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 #3,327 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 2018 OO-1", i.e. the FY2018 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 - MOUNTAIN PROVINCE SECOND DISTRICT ENGINEERING OFFICE awarded it to MG SAMIDAN CONSTRUCTION on 2018-02-07.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17PM0026: 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 2019-03-25). 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 b2fbcd3932…05bac3now …
- 2. Block Merkle root changedstored 8c6e3abe55…658678now …
- 3. Block #3327 hash changedstored ad9fd871b1…101616now …
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 291 records. Each step hashes the current value together with the sibling shown.
- leaf b2fbcd39321eb954bdb769d95ff90dbd22e42ebdd0de9cccfa0657269705bac3
- 01 R b38bbfc52101fba5ee38255ff179c3e6ddd378fd694d23a409a827fcc8f80c1b
- 02 R 0e2483c810be08b75cca14dd7c22879562a916ff7641c6947bb53c47016b31ea
- 03 L 44e1936e4f4396a9da29bc1eabb3688a76eb3d44b07fb62af9a983e216ac0adf
- 04 L a4782a3b933e17f4afd1aa1938e59626a9f2f11b4a24fc2c17777d9945b11477
- 05 R 84e203a97cee81e3207738ad79d6b3638724a76e23a704a19d00cd42719f9046
- 06 R 36f1be49a7076e8e345870051012c72c96b2c9bd0f6ad0704188152a23abd380
- 07 L 372c36dfe45b33c641b79317a65c4aa793c9292a97ba6ba98250d6e6356cbce2
- 08 L a60725e3678299965bf4b78fcaa251d107f0119702fe3363beca0179facb031b
- 09 R 615266767e32aaffbbe7269d2b9cd2242399430dc82643b59bcd2d44bb1574ef
- root 8c6e3abe55b0d9b58da9a577a06fcb6ca04995c356c34c25035c7eb03b658678