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 TAYABAS, QUEZON Award a ₱482.0K contract to DQT BUILDERS CORPORATIONCities
Transaction hash:
0a72c9ff8fb2ee00e3bc149e3556e595246826c4ddefc5677943056e40ed01a6
Status:
Included and unchanged
Block:
#1,115 4,898 blocks after it
Position in block:
Transaction 3 of 27
Award day:
Apr 8, 2011 (15 yrs 7 mo ago)
Value:
₱481,960.81
Project:
PROJECT NO. 014 – Improvement/Concreting of Barangay Road-Ila. Bukal
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 #1,115 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 TAYABAS, QUEZON awarded it to DQT BUILDERS CORPORATION on 2011-04-08.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 Tayabas 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 0a72c9ff8f…ed01a6now …
- 2. Block Merkle root changedstored ba2943b4c8…946630now …
- 3. Block #1115 hash changedstored afa25f3a7a…421b70now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 26 records. Each step hashes the current value together with the sibling shown.
- leaf 0a72c9ff8fb2ee00e3bc149e3556e595246826c4ddefc5677943056e40ed01a6
- 01 L 0a44e71a317ab9848bf9661ed153b94a54403b3bbbea470777028095bbd3aa51
- 02 L 18e92c1f85ce052843ea8fac33e1b5edfe456035099d9dc65726e669455e9b60
- 03 R a46a5f8f1754e73824b7fc8a6910702a8f8a373862ee157240033e3ad97bb501
- 04 R c838cd73dd943967c3fdd2be10fefa46a69c7d6b93eca08130c0a01f6ce256c8
- 05 R e67c4c8f3675800d6dc8055dc786bf0acd085624490f680141996f00938456ba
- root ba2943b4c805257aa5fa42e3ac3f0e1edbec5b4da4e81d0f0ef5486540946630