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 - ILOCOS SUR 1ST DEO Award a ₱19.6M contract to LEZA CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
a795dae4f207c98268fd8b9cbff660c15def0feeaa69271585a71c68c417d5c0
Status:
Included and unchanged
Block:
#5,415 598 blocks after it
Position in block:
Transaction 337 of 514
Award day:
Feb 13, 2024 (2 yrs 9 mo ago)
Value:
₱19,602,000.00
Project:
24AC0030
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 #5,415 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 SSP", 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 - ILOCOS SUR 1ST DEO awarded it to LEZA CONSTRUCTION AND SUPPLY on 2024-02-13.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24AC0030: 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 2025-04-21). 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 a795dae4f2…17d5c0now …
- 2. Block Merkle root changedstored 8991516cc8…2503fanow …
- 3. Block #5415 hash changedstored b16e71d09c…512ec9now …
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 513 records. Each step hashes the current value together with the sibling shown.
- leaf a795dae4f207c98268fd8b9cbff660c15def0feeaa69271585a71c68c417d5c0
- 01 L a790be90406b3a5a35a962ff04d2ee8e15e4a3996673ac8722fc2bc80a09fdcb
- 02 R c90f8a2431ddc31bb38c0c30c540931be618186f543ec4d1336185dc40f7155e
- 03 R 5b18f1adb42f4e275e687e11e71a7208796dc3627761462816a37d629d6ab98f
- 04 R f1257ce692077fe0c265a4df23f50d28e0206f2f2abd2b3469b54351a2eae951
- 05 L f3bafd3f5875928716c6149f2d868c466562bc1a316d61283b132221b6507914
- 06 R b66ef29987d43ae026b2d4d8f504897eecd30e43d9d04cd5ec5adf81064f6669
- 07 L 6c6b84f66d72696fd8757632a8772a361e7350775d7e7f1777ad8a5fdbde6b7a
- 08 R e959240772d553fcde7733e3fddf54ee18082adc69dd428c2f28b5021ad4bd23
- 09 L b6060641310584f3f028c64e32e1f29d170b13ac96d28f89cd6142d8a9c52933
- 10 R e23052401a4e15e77a2529505536def6721b226f9a12107454ce1036532c5c85
- root 8991516cc8c2a3035bf7f8b2d5b7c3036277977e2bb0f42c2e23b3f40b2503fa