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 - LA UNION 1ST ED Award a ₱28.9M contract to ARM ASIA CONSTRUCTION & ENGINEERINGNational agencies
Transaction hash:
da6cddc2e6b033dcdb0e7d7d9c73c9e2f80a6edce9f40a4844c99ad39b6c895b
Status:
Included and unchanged
Block:
#5,757 256 blocks after it
Position in block:
Transaction 614 of 729
Award day:
Jan 30, 2025 (1 yr 9 mo ago)
Value:
₱28,870,110.82
Project:
25AE0023 CIVIL WORKS
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 #5,757 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)DPWH lists the funding source as "Regular Infra - GAA 2025 SSP", i.e. the FY2025 GAA. The exact UACS line is not given.Partly
- 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 - LA UNION 1ST ED awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2025-01-30.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25AE0023: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2025-12-08). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 da6cddc2e6…6c895bnow …
- 2. Block Merkle root changedstored 1cbc48d226…54d638now …
- 3. Block #5757 hash changedstored 78828435d1…6377e9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 728 records. Each step hashes the current value together with the sibling shown.
- leaf da6cddc2e6b033dcdb0e7d7d9c73c9e2f80a6edce9f40a4844c99ad39b6c895b
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- 02 L 00b6dcdc7ef81c06a51de019d29f4e01822f0cd17f209edd579d24603948511b
- 03 L a745a09af57bdb436233bdcd526660fc8815c73d1b4bbf3f7f5452de122818ae
- 04 R eabf524b2d0465be6a1847a0cdb3046cdcf20de70605ad6b8abe7586d3eefa60
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- 06 L 46970ea550bf24c02fb75756a9c48affeb871c027315a26d81e1c7f8bcbd1816
- 07 L cf527d70cc0d0039c73baf5c59082af9f720052cb65f173b027d171ff9dc583a
- 08 R 5661293404658356e4a4c7a6442678fae2ec6e3273c86040ac361df826e9f373
- 09 R dd98dc3e3bc2c5a02d36879d97bad70fc5d36c822857759be0fe83418666e027
- 10 L 59e88a2dfc4d5307b4393ab83d3aa4c88442066e3289d5a0de8d432f63280617
- root 1cbc48d226b1764f87c47031ba3a5ecee58ec2f9cfc232e3cc80d3996f54d638