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 QUEZON Award a ₱14.2M contract to DSA PRIME BUILDERS CORPORATIONCities
Transaction hash:
bec9a2bb335740e702dc496ff135f3db87661deafb74daeb281480f664afa45f
Status:
Included and unchanged
Block:
#5,177 836 blocks after it
Position in block:
Transaction 266 of 358
Award day:
Jun 7, 2023 (3 yrs 5 mo ago)
From:
Value:
₱14,167,979.88
Project:
23-00039 PROPOSED REHABILITATION OF SIDEWALK AND D
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 #5,177 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 QUEZON awarded it to DSA PRIME BUILDERS CORPORATION on 2023-06-07.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 Quezon City gave a "unmodified" 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 bec9a2bb33…afa45fnow …
- 2. Block Merkle root changedstored 16d42321bd…936089now …
- 3. Block #5177 hash changedstored 59e60f0982…aba697now …
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 357 records. Each step hashes the current value together with the sibling shown.
- leaf bec9a2bb335740e702dc496ff135f3db87661deafb74daeb281480f664afa45f
- 01 R bf6c3edc4fd3e653c7822d2091fb5e46acd257bd8e3b5dceb22fb7ccd0a69136
- 02 L 7a1182ec561144dc9a314d6e6de589e3bb9f8b7a20de79f71c2627164424a861
- 03 R 0cbee487c91dc80e963cc265c896bc4ab51467b0c7af7fcd815b2f3d72cb498c
- 04 L 4d227daa33c21743d851d27392e555f4e4d1884eaf91428a3a52d69c102c204d
- 05 R 83d7c949409aba7912fc0f60e8bada67e66b709edced324120f7014aa0ecf284
- 06 R aa3603168b6dae0295157b885e675b87a4c7b8e44d96cc520bec6d93c5926c2d
- 07 R a37dcdd631b76b875a1efd640a73cc70e09018c8c65031d11453e96f44d8c945
- 08 R a985f3e879e9d0fe9d6b21f077c4f769e0a3c64f2b5cb35a820e23fe34cc5a03
- 09 L 6a8939760bcd70083f95b99a8b8b46fbe1593845ed9a2963a11f29ad5b6360b9
- root 16d42321bd5c39a19421cd9aaec3e70f6e9e9069fa6c89dd5ad467c43b936089