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 HIMAMAYLAN, NEGROS OCCIDENTAL Award a ₱455.8K contract to TMTC CONSTRUCTION AND SUPPLY CORPORATIONCities
Transaction hash:
d6c8febae53853d083f80789aadd6027c8e1076b4df15bf6b28a3a50322f26d6
Status:
Included and unchanged
Block:
#4,810 1,203 blocks after it
Position in block:
Transaction 173 of 211
Award day:
May 26, 2022 (4 yrs 5 mo ago)
Value:
₱455,822.40
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 #4,810 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 HIMAMAYLAN, NEGROS OCCIDENTAL awarded it to TMTC CONSTRUCTION AND SUPPLY CORPORATION on 2022-05-26.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 Himamaylan 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 d6c8febae5…2f26d6now …
- 2. Block Merkle root changedstored ca5a89d92b…5405c7now …
- 3. Block #4810 hash changedstored 1b16e40e1b…0c9986now …
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 210 records. Each step hashes the current value together with the sibling shown.
- leaf d6c8febae53853d083f80789aadd6027c8e1076b4df15bf6b28a3a50322f26d6
- 01 L d635af322d8500b93f1318c0394f0121e0a66f8836bd02ac26d1cd2302f83ad9
- 02 R ca444d88fe351a6ec14640ae1200e963b7efba7a4f6e024578d316c7ca2a6f57
- 03 L 1f91896a6343418afe2e0187549ca1fa7a556bff5c681de1d4e46480f2814d82
- 04 L c78ad2e24732591410f75b5488c0d84fed99f214066befe8466e503278a8f2ec
- 05 R d2032e08fc5e7fa494139188d361386419ea2d0e65a7add2dac9547f8ef519fb
- 06 L 56ac716aab132106a81149b1c6a2b839c2ec4e9f79b4bd7d5e6c449d1ad517a4
- 07 R 8869ca2cf399b392a42d413abe91d6622e5472068afc4ebc99f1a602656c808b
- 08 L 7c44e92421fb58503a6b8ad0fe834189b5951fb3a17d8ef816bd2b21fef3fabd
- root ca5a89d92b8422ac69ad7c844913fdc72f669e7af86d184790022ab7495405c7