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 ₱740.8K contract to VRV CONSTRUCTION AND TRADINGCities
Transaction hash:
b33dbd6794ae5267d41caade2ea734719c63d5c11b882332be9d90e1571ce8f6
Status:
Included and unchanged
Block:
#5,259 754 blocks after it
Position in block:
Transaction 218 of 325
Award day:
Aug 30, 2023 (3 yrs 2 mo ago)
Value:
₱740,762.33
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 #5,259 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 VRV CONSTRUCTION AND TRADING on 2023-08-30.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 b33dbd6794…1ce8f6now …
- 2. Block Merkle root changedstored 7de09c637c…c6890enow …
- 3. Block #5259 hash changedstored f989b89da6…0fb151now …
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 324 records. Each step hashes the current value together with the sibling shown.
- leaf b33dbd6794ae5267d41caade2ea734719c63d5c11b882332be9d90e1571ce8f6
- 01 R b3c88127005875079358285e97979f23c840898d81c0abc619e5f904260ed666
- 02 L 50b408416b8f1d63004fbb00edace78f4db5e77ed1bed2484775e792bd521f6c
- 03 R ce03da93bd9460a3ba7f25891937fa1d30d3f701bcbfca600728c059d5cfab81
- 04 L 74dccb423d5baf47c77539cb3a8354d8f13265d60bf2e6600e76db2079d7da34
- 05 L bec32f1c308e955f30fa63f436e12d08a8f2525b6d4f5d91cc5fb7a070be8af1
- 06 R 4df2c4bfcf0b0f8d98fba0b2c9c1ab4b83812a03829bb7ca3ee88b1ae8e6d5a5
- 07 L 285aa8a91310f2b100e2139759141844e5507933a99c36da8b0d1d22d4410e09
- 08 L 62a2ea56ba608c48dcaa662d64fc9cad6278334f8d1b7141b82bc821ee5295c7
- 09 R b80d70509819c0af828844c6d3c9e0667885c8e629209d747d829b3b63350aad
- root 7de09c637c09a09cd08217ee5ae1856f4349189c04a425c725cab628d7c6890e