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
CITY OF LAOAG, ILOCOS NORTE Award a ₱495.0K contract to JEMIS CONSTRUCTIONCities
Transaction hash:
9dbf31dfd9313efc36c26ba574cb1a3b6bdd46641ccee391c51e82a26073871e
Status:
Included and unchanged
Block:
#5,788 225 blocks after it
Position in block:
Transaction 113 of 186
Award day:
Mar 2, 2025 (1 yr 8 mo ago)
Value:
₱495,000.00
Project:
Construction of Concrete Pavement
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 #5,788 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)CITY OF LAOAG, ILOCOS NORTE awarded it to JEMIS CONSTRUCTION on 2025-03-02.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)COA's CY2024 audit of City of Laoag 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 9dbf31dfd9…73871enow …
- 2. Block Merkle root changedstored 3ade2d5658…170505now …
- 3. Block #5788 hash changedstored 9191d85c55…0977adnow …
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 185 records. Each step hashes the current value together with the sibling shown.
- leaf 9dbf31dfd9313efc36c26ba574cb1a3b6bdd46641ccee391c51e82a26073871e
- 01 L 9b3985d07b3c77be06d5d25b8a4b4038bbcf27a958e5c94f795737b23771cf7e
- 02 R f62124d4a750475e18bb3a049a584495f7de8a5e0b30c3be06e6b409e0be8187
- 03 R ad29ad055de728b61524bbe224887cd3e647c74c9b71523ec85343abfeb713ac
- 04 R fd57bf8c8572775d2f101ba54d7cd4b3e07f2f34aa5370c84c6bb5983b83f9bd
- 05 L 41648b30d25b5dacc252a22aca80c76ebf4fa96c617624a922abfe162c43d013
- 06 L b0540040febded73a6876d4aa53d327ecc65bd6de4b5f580fc04f5f8ac4f428a
- 07 L 553243422d7fd4dc000201f39a7ec0afb10cf721e8a9c9c9865fdf4c7fea7949
- 08 R 081d8d438ec9f8eff19bc6857d6ccc918867e31dcbec6f9416e3b80a8b0bc073
- root 3ade2d56583287fc77a2ade5c3da534c882491918edf351fcdb4eb16f0170505