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 ₱1.5M contract to CHANBAR BUILDERS CORPORATIONCities
Transaction hash:
089c42dc102cb2db7fcd84c3d0e5fdbc96fc7a55b7bedb60ae0ed6e859e4eb32
Status:
Included and unchanged
Block:
#4,443 1,570 blocks after it
Position in block:
Transaction 4 of 233
Award day:
May 7, 2021 (5 yrs 6 mo ago)
From:
Value:
₱1,536,862.69
Project:
21-00012 PROPOSED REHABILITATION (SURFACE IMPROVE
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 #4,443 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 CHANBAR BUILDERS CORPORATION on 2021-05-07.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 089c42dc10…e4eb32now …
- 2. Block Merkle root changedstored 98f9e4e628…847de3now …
- 3. Block #4443 hash changedstored a7cb4cc6df…18b66dnow …
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 232 records. Each step hashes the current value together with the sibling shown.
- leaf 089c42dc102cb2db7fcd84c3d0e5fdbc96fc7a55b7bedb60ae0ed6e859e4eb32
- 01 R 09fa235ad7c88ca9f59a3702d9972f3b2380d079b09a8ccf3fcfcb7f329fa308
- 02 R 61f9542acffd45b9f22c036e2f57c5da5ae92bf9aed9f3f0d5cc509d50e0c8b6
- 03 L 5a347f9ccc49e07381e8ec55d7ec29fac8a09aef205fa408436b2b14ab5d6838
- 04 R e99fd759382aed2ae17c6f4cbf3a4c41ede5e190c128896c4dd38477fa0d547a
- 05 R 73e6915ff65be492e2d40f384074ee90d50a95377bcdb961a9c674ee4e798773
- 06 R a81ef5a4c58281462a7de2b29006a902540591ab8eefa06b73f4ffe0669f450e
- 07 R 11816aaa40088ea2eccc1828bda8dda6aa4aced2da6764e66296b6e904f6c5d4
- 08 R f0d5cf6bed058861567d88758da60179fba7df712f8b8f06de915d0b2eac7b14
- root 98f9e4e628e822285bf3ad5e1ba88801c663d27687dcee63ce70691e94847de3