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 NORTHERN SAMAR Award a ₱5.0M contract to TOPNORTH CIVIL ENGINEERING CONSTRUCTIONProvinces
Transaction hash:
3ec57a3fafa0a18c2aaefbab43285e35aefff3ae9835f5dcc75194b72a98eae2
Status:
Included and unchanged
Block:
#5,779 234 blocks after it
Position in block:
Transaction 142 of 612
Award day:
Feb 21, 2025 (1 yr 8 mo ago)
Value:
₱5,007,131.91
Project:
Construction Project
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 #5,779 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 NORTHERN SAMAR awarded it to TOPNORTH CIVIL ENGINEERING CONSTRUCTION on 2025-02-21.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 Northern Samar 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 3ec57a3faf…98eae2now …
- 2. Block Merkle root changedstored 07ff294efd…ad5855now …
- 3. Block #5779 hash changedstored 186d061166…c65ceenow …
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 611 records. Each step hashes the current value together with the sibling shown.
- leaf 3ec57a3fafa0a18c2aaefbab43285e35aefff3ae9835f5dcc75194b72a98eae2
- 01 R 3ecf4b29c13c49bc5469caea354200ac887b9ee513806e355e5dc1d868cf8d3e
- 02 L 9262c1ce5c05e1173d50c5e6ebaccea12e016796b6928ff3de519c93d0ab95b6
- 03 L c34a5b5c8f7b4a978c9f6da19f6c44b6b53b3ed02280d778b727015658d53176
- 04 L cf27b6211c9f96b469f99a8523f53c67e656071affb390c146b3724f9a1c8de9
- 05 R d7c7e23f6a74a744013e1f442277a72716d2206797da8997019e7ff3e29576ce
- 06 R 46f20a0d00f83fc690cdf7d2cb10491aad8c3db682a02a73419de8da73e060fc
- 07 R 69132627ce38eedc218e39ccb85ba4f97748b6211d8ad7f9b856910a1c8271dd
- 08 L 81d34b2da16a5cc2faf622433bf7d01340fd17d49053f6fae039486dab595a49
- 09 R b402166cbd8944e0bf512fae9f8c343da588e65d8e999dad2cb155afe1fba2ac
- 10 R 75ed75beda832165a280cad1144f0736d9c45cc1ad04231b74660838794ecec4
- root 07ff294efd7eed8920810e07649606dc0af360415ee4530198a23174dbad5855