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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR Award a ₱3.1M contract to MARCONS BUILDERNational agencies
Transaction hash:
eddeafd3a1fc88e2aa12d02705d345d69be6e174c5d269e2c38d9723e4f76c92
Status:
Included and unchanged
Block:
#945 5,068 blocks after it
Position in block:
Transaction 13 of 16
Award day:
Sep 2, 2010 (16 yrs 2 mo ago)
Value:
₱3,084,740.87
Project:
INVITATION TO BID
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 #945 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR awarded it to MARCONS BUILDER on 2010-09-02.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 eddeafd3a1…f76c92now …
- 2. Block Merkle root changedstored 96ee16780b…89023dnow …
- 3. Block #945 hash changedstored a2a0e5c759…a19a49now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 15 records. Each step hashes the current value together with the sibling shown.
- leaf eddeafd3a1fc88e2aa12d02705d345d69be6e174c5d269e2c38d9723e4f76c92
- 01 L d9412a3b38a33392fcaf711229d974218fbcc84e794bf9cb5a1bed459947c4f6
- 02 R 5642b23b720ce1392e990d011d64ac6cd6420f68ec4645cdd9ba93771ef1a864
- 03 L d9eab0d869f4962c10bca94d9c8ed889803def66bc566322e0d09be8e50ee6eb
- 04 L d328363778eec577f5d26f7ce7bf982b03d2077189e846fea8f9c6c71a8a79bf
- root 96ee16780b4265651294d63cc1dada210c7c5b25d9d288ac3bece6aae889023d