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 BATAC, ILOCOS NORTE Award a ₱3.0M contract to TOPSTONE CONSTRUCTION & MANAGEMENTCities
Transaction hash:
8a15c8a88f988aac986244d4735992a31b8b4371a4648e0d36c3bf08d1c09a06
Status:
Included and unchanged
Block:
#2,702 3,311 blocks after it
Position in block:
Transaction 8 of 15
Award day:
Mar 29, 2016 (10 yrs 7 mo ago)
Value:
₱2,965,000.00
Project:
ROAD CONCRETING CLUSTER 8
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 #2,702 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 BATAC, ILOCOS NORTE awarded it to TOPSTONE CONSTRUCTION & MANAGEMENT on 2016-03-29.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 Batac 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 8a15c8a88f…c09a06now …
- 2. Block Merkle root changedstored 79734a9bbb…13502fnow …
- 3. Block #2702 hash changedstored b993dba9bb…dc290fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 14 records. Each step hashes the current value together with the sibling shown.
- leaf 8a15c8a88f988aac986244d4735992a31b8b4371a4648e0d36c3bf08d1c09a06
- 01 R 8cf15963a3de9b49968e499c051cfef887fb3c904d870fbe8d5aaa691f14008a
- 02 R e8302a1a7fc49bbec1ab2fbf69232f73978b42c33a93f159b36f1818ec74720a
- 03 R 3f47a3df1a8c298dac1e19fafc4f23f3972652925be4328a755898fb9f04b432
- 04 L 58149c82a3cebb63b7f778a579a373180c7ffa9d076da36efcea6924d87b0ece
- root 79734a9bbb5771964632f5ef81efa3ad139773d2c4f8d9392a93ace34013502f