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 TARLAC, TARLAC Award a ₱7.1M contract to L.N. NUNAG CONSTRUCTION & GEN. MERCHANDISECities
Transaction hash:
5cc8dd0a9ce03c901daec2ee7d7d8ef3742176ee779a4a810c054ac24db1c131
Status:
Included and unchanged
Block:
#4,681 1,332 blocks after it
Position in block:
Transaction 76 of 198
Award day:
Jan 5, 2022 (4 yrs 10 mo ago)
Value:
₱7,134,119.80
Project:
Drainage Canal
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 #4,681 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 TARLAC, TARLAC awarded it to L.N. NUNAG CONSTRUCTION & GEN. MERCHANDISE on 2022-01-05.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 Tarlac 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 5cc8dd0a9c…b1c131now …
- 2. Block Merkle root changedstored 44ab9b670a…464cd8now …
- 3. Block #4681 hash changedstored 7e27981587…7cbd21now …
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 197 records. Each step hashes the current value together with the sibling shown.
- leaf 5cc8dd0a9ce03c901daec2ee7d7d8ef3742176ee779a4a810c054ac24db1c131
- 01 R 5e49ea26ba09343e1d3e72853235f6c0ec8252a004540f15ecd9a4e7e0a48758
- 02 R 91af5f047290f3d6b6aa503f56aa9be804b22b8880a12969630ac8b7e3aec26e
- 03 L 2055f43802df1bf64542b54fd83966242515c4ab09ca8fc0d49894d366491e1d
- 04 L 41446108cb0d893a4ff6f11505db62f35af4763dcdaa696cf5e6736315fed47f
- 05 R 67f033fccdb12c88b5efacef38ec1a44868703ea66ab17f8c74791e948f86993
- 06 R b79713ff519adfd2d185a5414bf1edd07a6da39c91af9a2365e9dbfc658b183b
- 07 L d0456f8f7819c9aae38a220ed4f697a225df4ac2f3bcfdb3fcdf59d1f48d79d1
- 08 R 36c73db2a83a1d727dbcc9f6d1e5d994c435f9ea487ed678207a2b9a07e2d4ff
- root 44ab9b670ad7f32c3b488df7771149ebea68d1057e0757d401eb71fd17464cd8