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
MUNICIPALITY OF TUBAO, LA UNION Award a ₱141.4K contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities
Transaction hash:
bb0cca9db5ebacfa1304424b83e67743b22dc50d03c1d2366f6e339418dd22ef
Status:
Included and unchanged
Block:
#1,114 4,899 blocks after it
Position in block:
Transaction 13 of 19
Award day:
Apr 7, 2011 (15 yrs 7 mo ago)
Value:
₱141,372.81
Project:
FARM TO MARKET ROAD
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 #1,114 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)MUNICIPALITY OF TUBAO, LA UNION awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2011-04-07.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 Tubao 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 bb0cca9db5…dd22efnow …
- 2. Block Merkle root changedstored ac7eecb1aa…4f0676now …
- 3. Block #1114 hash changedstored bb91dea039…1935banow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 18 records. Each step hashes the current value together with the sibling shown.
- leaf bb0cca9db5ebacfa1304424b83e67743b22dc50d03c1d2366f6e339418dd22ef
- 01 L 9e489f46bf4f1f3bbaf406e044a9d5b4e03571136c68024d9007232ccc7aec25
- 02 R bad4543e4297c18a55e8c9624e5d17a18bd43623030d5d8cc4f459094275b5d4
- 03 L 3b143d90c71ee3b6cdfefb7b93ac2b327899c31fcae70e0012784e93fbc56bdf
- 04 L 0c3d73ae89585f7687f294a6cc8e8c5585020e6a9002518c46203a3aa33242d4
- 05 R ca63469146b511e84a06a74615595b28a51b7f8f3e654db49132f033ada52024
- root ac7eecb1aadda81104d5736fce6abec3befdd86663de339c0dece5d7da4f0676