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
CITY OF LIGAO, ALBAY Award a ₱574.2K contract to 4DOVE BUILDERS CORPORATIONCities
Transaction hash:
45f8c1518963dc0876d7e4ef507eb90931ff1b8c84a688e3eaeabdc3af69a2b2
Status:
Included and unchanged
Block:
#3,997 2,016 blocks after it
Position in block:
Transaction 42 of 205
Award day:
Jan 16, 2020 (6 yrs 9 mo ago)
From:
Value:
₱574,229.47
Project:
Construction Projects
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 #3,997 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)CITY OF LIGAO, ALBAY awarded it to 4DOVE BUILDERS CORPORATION on 2020-01-16.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 City of Ligao gave a "qualified" 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 45f8c15189…69a2b2now …
- 2. Block Merkle root changedstored 6990ed0503…a7e331now …
- 3. Block #3997 hash changedstored df4d7c2785…0a5dd4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 204 records. Each step hashes the current value together with the sibling shown.
- leaf 45f8c1518963dc0876d7e4ef507eb90931ff1b8c84a688e3eaeabdc3af69a2b2
- 01 R 461124c07d7a3396a372406e1da2364ba668c18705f656be0f8bfc418750dbb5
- 02 L 8e0f90441aed8b714cbec473f089a0aac2ef671bc154f2f78d55eb18776463a2
- 03 R 5539151ab3328e3476255143f513361d91dac8ac39f9b4ffd35a68f580a32e81
- 04 L 699b772fd99d331d7fd80ecd88f016f81dee089ab739af57267fad4ad66986b7
- 05 R 15de0ed52c4e5858e53de6d06007e9393757f3951637a4df76be883b7119a8dc
- 06 L 9830e8ac7fc4560e0a59fac34ca51405f69249d16f9ec6a309e0a7e5a865ec48
- 07 R af24475aecc945790052de4a15b5b01bc2089610bf7184f5dc2d601def47e194
- 08 R 1e9deced657694f652013d9e636174edcaa5d2568f87d54913d7eb5a1da39854
- root 6990ed0503db4e37bb307f4497a12b716a30165fa28e2d5d2d207a0990a7e331