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
MUNICIPALITY OF SANTIAGO, ILOCOS SUR Award a ₱3.6M contract to E. E. MADAYAG CONSTRUCTIONMunicipalities
Transaction hash:
fea577e75b6fe5b7c220fb9f0b3b2496b3dcd5dd91b79c22b75c327dc1e9d006
Status:
Included and unchanged
Block:
#4,329 1,684 blocks after it
Position in block:
Transaction 87 of 88
Award day:
Jan 6, 2021 (5 yrs 10 mo ago)
Value:
₱3,620,542.00
Project:
CONSTRUCTION OF EVACUATION CENTERMAMBUG,SANTIAGO,
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 #4,329 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)The award does not say which budget line pays for it.Not published
- 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)MUNICIPALITY OF SANTIAGO, ILOCOS SUR awarded it to E. E. MADAYAG CONSTRUCTION on 2021-01-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Santiago gave a "not stated" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 fea577e75b…e9d006now …
- 2. Block Merkle root changedstored 4e6ca3b081…bd3a52now …
- 3. Block #4329 hash changedstored e008f3832d…cbfa9cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 87 records. Each step hashes the current value together with the sibling shown.
- leaf fea577e75b6fe5b7c220fb9f0b3b2496b3dcd5dd91b79c22b75c327dc1e9d006
- 01 L fb81b081e5fdac3d3824b9d7ecc02637d23e4c4b7a740cb09f0293069a508fff
- 02 L 735956a6d57d0e13ceee688f388a9ac51148c42c543f34846fd09c307880af79
- 03 L 42a3f5bbfb9fc4e0cc91ebda97c1ad4ec751b861af8c44057d59a2a0c36294aa
- 04 R 02189d129ef8e8c0f617e23d37db6250a1798472beb6db7cf867ec049a0ca3ec
- 05 L 33b87e41be07f7179fbfe3bb3df811ffd801e9cd00b4179d3a08c4801ca58501
- 06 R 8b1182b9141abbb6b98c3c49227750ff331751c2a6037c1d9a2d4d5c82196c66
- 07 L b1cee4377eec36231d195db802fd3769ca9e0e057db1b4786d06cc99562258b3
- root 4e6ca3b0819cd2f815eba7e5350659511890244e2254a13becd786cb2dbd3a52