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
MUNICIPALITY OF NAGUILIAN, LA UNION Award a ₱2.0M contract to E. E. MADAYAG CONSTRUCTIONMunicipalities
Transaction hash:
b64b6909be0c8e8b995cab6322bf8ab8cb1e530ba5fc365374c82e927739b6bb
Status:
Included and unchanged
Block:
#5,897 116 blocks after it
Position in block:
Transaction 197 of 286
Award day:
Jul 2, 2025 (1 yr 4 mo ago)
Value:
₱1,997,411.07
Project:
REHABILITATION/ IMPROVEMENT OF FARM TO MARKET ROAD
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 #5,897 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)MUNICIPALITY OF NAGUILIAN, LA UNION awarded it to E. E. MADAYAG CONSTRUCTION on 2025-07-02.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 Naguilian gave a "qualified" 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 b64b6909be…39b6bbnow …
- 2. Block Merkle root changedstored 33018e3e7d…a82533now …
- 3. Block #5897 hash changedstored 04dc996cd3…4691dfnow …
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 285 records. Each step hashes the current value together with the sibling shown.
- leaf b64b6909be0c8e8b995cab6322bf8ab8cb1e530ba5fc365374c82e927739b6bb
- 01 L b61d0c5958589cafb3fd79dee790baa190c7fcf94787d8ff809568201c90e586
- 02 R ac542074bb923d7f5378df8039f81d040f3df771070a3c4be8d6ff39609b4d63
- 03 L ab4d8bed09c4e452c01c8f415b61221134ab63ed926aae0d16f378b67628c3a2
- 04 R d78ce4a48de6f9677d662778b20b732083c459370fa01ae302d942fa46525ad2
- 05 R 2738dd4de77810880d4f308536db5acda67ab9ddc39952f3583fcccb64b1a4d4
- 06 R 2d7cbce6d0133be8944fafb0d52ae2f898dff0502abb6bb8d0d10d46775d5fa2
- 07 L bbd5ac3dd3b7d3dae7178d49b431fc1bfe423ee752f9763236464e8cf588c8a9
- 08 L b00edccccc016f18359c98fd0bbdde6a021889a7951573a50a9e579140b1688f
- 09 R 5fed41e5cfc2bf5b3ea6b910a695ee585cc6d4e31276494138f5bcbeaa1448e0
- root 33018e3e7d300794f7461954821bc579a721fc8c4a8aa4269e7ffe979ea82533