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 ₱9.6M contract to CARAG BUILDERS INCORPORATEDCities
Transaction hash:
3f2c2db20d4fdaba0c9f8fc2d9ebe77f09849d9585a0cf61ff8ddd51d866f19e
Status:
Included and unchanged
Block:
#2,862 3,151 blocks after it
Position in block:
Transaction 71 of 260
Award day:
Sep 27, 2016 (10 yrs 1 mo ago)
From:
Value:
₱9,630,101.65
Project:
16-14009
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 #2,862 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 CARAG BUILDERS INCORPORATED on 2016-09-27.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 3f2c2db20d…66f19enow …
- 2. Block Merkle root changedstored 0116414d7c…f67ff0now …
- 3. Block #2862 hash changedstored a5d2b30fdf…36ee8fnow …
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 259 records. Each step hashes the current value together with the sibling shown.
- leaf 3f2c2db20d4fdaba0c9f8fc2d9ebe77f09849d9585a0cf61ff8ddd51d866f19e
- 01 L 3db31455ba70a51abbc2971c86229a08d66fc0cf4459bdb61f1b47b94160756e
- 02 L fb24ea1725abd9b3f3b61ad3a1402c27f3e34a0e383a7e5f204e8e1718528006
- 03 L 8d4e9c66e84f025c1a9aa8376e972aaa3703f5ee29dfef0ec8b3d77bcb647b83
- 04 R 6c620f77ef58c915f015efdc524a44e54996b2c6f9d892c7781748c05daa9e6b
- 05 R 90e69d91f169ac998c483e960cf2205c1cdc00b1747f7e2315fe3fe98ae81873
- 06 R 991a3ecada6c8d65e07ffdc9cb4a175f4d0b7bcc3d2fedca44ebd2dc757adf53
- 07 L 9eb2f3ac335d8c4130cd3cf7b1169c25bc4e26c76ec148962d5262565c105e39
- 08 R 36e9552a86f2ad7eedadb3e07e4b92083070100d71844cbe318d14d1a53984fe
- 09 R 76fc35728e2de491ebc6c98da8b85ac00a99dd10199805fb2570e420f38d2706
- root 0116414d7cea248ec2fefac08a95f70ce590245c6a0020b1929639bea8f67ff0