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
PROVINCE OF ILOCOS NORTE Award a ₱8.7M contract to ASIAN PEARL CONSTRUCTION & DEVELOPMENT CORP.Provinces
Transaction hash:
171b2e240cd0a8feec52d01709b772006dd7f66f1e9f82992178fea930a9e9f9
Status:
Included and unchanged
Block:
#4,535 1,478 blocks after it
Position in block:
Transaction 13 of 165
Award day:
Aug 11, 2021 (5 yrs 3 mo ago)
Value:
₱8,719,072.31
Project:
Construction Projects
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 #4,535 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)PROVINCE OF ILOCOS NORTE awarded it to ASIAN PEARL CONSTRUCTION & DEVELOPMENT CORP. on 2021-08-11.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 Ilocos Norte gave a "unmodified" 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 171b2e240c…a9e9f9now …
- 2. Block Merkle root changedstored 1f954e75fd…ef7375now …
- 3. Block #4535 hash changedstored 2a5ed888b9…ec85b2now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 164 records. Each step hashes the current value together with the sibling shown.
- leaf 171b2e240cd0a8feec52d01709b772006dd7f66f1e9f82992178fea930a9e9f9
- 01 L 16b8434f5bd9513ba64335e37083348f9d3035babbf56cbf931f572a09ab646c
- 02 R 375670b4855609d33c3b9fa0b50a94042ddfc099c48eeb37702e35269c144db6
- 03 L b74d8382c20a71d74ce4b7fe814ee7f20928230352bb5a3fdb0c2e7a8c506950
- 04 L 93081f0590ddf58d53eab5aee577120eaec8a1423b27e9b5c0a7746de1dc8ec7
- 05 R ef0b02382dd15c466be07d87dbf9659ec093db362b7a3e1de001b4e6cb4e1385
- 06 R 0129775f6fa4bf0123b1666e340d912d325ca9f905f276ebaec932bd0b3cbaae
- 07 R 3dd757fa3f19372ecba1387e995ec99a2999cc7698f3c6206e1bc62af0de1e88
- 08 R 6d0e109d892141c171f2a9e0104a386216900ebc772de7cb406e7f2744ecb363
- root 1f954e75fd63676bdbbcbbe78cc7f567c70bc0f0c9feff1550420b1b46ef7375