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 2ND ED Award a ₱19.3M contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
6d8d1eef93bfdf16948d8f9a9cdcaab2a8c6d524cf8dc462608c03ac6783d0bc
Status:
Included and unchanged
Block:
#5,409 604 blocks after it
Position in block:
Transaction 166 of 366
Award day:
Feb 6, 2024 (2 yrs 9 mo ago)
Value:
₱19,291,810.55
Project:
24AF0003
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 #5,409 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 2024 CP", i.e. the FY2024 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 2ND ED awarded it to E. E. MADAYAG CONSTRUCTION on 2024-02-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24AF0003: 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 2024-11-25). 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 6d8d1eef93…83d0bcnow …
- 2. Block Merkle root changedstored 7a36cdff5c…41d71fnow …
- 3. Block #5409 hash changedstored 83cc253ee2…84bc71now …
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 365 records. Each step hashes the current value together with the sibling shown.
- leaf 6d8d1eef93bfdf16948d8f9a9cdcaab2a8c6d524cf8dc462608c03ac6783d0bc
- 01 R 6f5dc23757f9616d21b496fa643737448b2c20d9379c07668e6414d97ff900f0
- 02 L 63790fa53d17a487da41a3254bb6736823c096e33c6ab49946d2d13cd1b18b91
- 03 L 5fac7a75d66613833fb238f3008bbe296545edab65b6998dd088523a673b6c97
- 04 R 52aa25c700101365c25fde00c8e55f6d76c64f4d9d821b1c19ec21e6b8bd6dc1
- 05 R 247872f99715a1410ccf5cf56ffaba8f52952277796fad5a7b91d1f90d153c24
- 06 L 6ebcd3887dc60fed41d3f95c284f13a295069869fde3cfc69e31c25de322f20a
- 07 R 1c8a17b6554479c24d80d135da08dcc29f98f64acc1df1489898b5746f93373f
- 08 L 28ce17bc11c6d7320802d8ea91c497350d05765b748d82c34849387d0efb2120
- 09 R f4bc68620dc5f7f65fb7c077ee0abeab7cdec568fdbc3f4c4a32d778a01d9418
- root 7a36cdff5c4c17bc285db46fe3f2e58bc736450eaa2f8daa37d58b2e7541d71f