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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SAMAR 2ND DEO Award a ₱31.5M contract to TOM BUILDERS AND SUPPLYNational agencies
Transaction hash:
81042e4dca011f54f5aedf8503f5ee75d49621e9df13eeb4eaa48bfcc9a4ce88
Status:
Included and unchanged
Block:
#4,701 1,312 blocks after it
Position in block:
Transaction 499 of 1,015
Award day:
Jan 26, 2022 (4 yrs 9 mo ago)
Value:
₱31,531,499.70
Project:
22IK0023
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 #4,701 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)DPWH lists the funding source as "Regular Infra - GAA 2022 OO-1", i.e. the FY2022 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SAMAR 2ND DEO awarded it to TOM BUILDERS AND SUPPLY on 2022-01-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22IK0023: On-Going, 67.77% physical progress.Found
- 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)No COA finding linked to this contract.Not published
2 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 81042e4dca…a4ce88now …
- 2. Block Merkle root changedstored c7c92dfc41…579451now …
- 3. Block #4701 hash changedstored 16c9933cb8…2c6ba0now …
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 1,014 records. Each step hashes the current value together with the sibling shown.
- leaf 81042e4dca011f54f5aedf8503f5ee75d49621e9df13eeb4eaa48bfcc9a4ce88
- 01 L 80769204a2277bd8116847fd9b7935dd8f053ca79a1ee8e603304b8d1afcf759
- 02 L f8dd475448c85a7e230e65ee5c5d644eae3e74c779adaa57634f46e0558063f5
- 03 R e485a41895f22d66d2dfac0c13440f1adc4408b2ba8e3f7cbaf18b4193edbc51
- 04 R 5ea3026da1ea0c601a180f04d2c77a59e5939af20fa57d3f10f916e965236df9
- 05 L 5fe6420456c353020034387733e4373cac56c61d16f993f1f6f2ea88d3948858
- 06 L 490b3d9423df5598162072502cb942ad79f66d08a6ece3b0bda10078f137ecbd
- 07 L 75e4ea2072ad60e0945d23d88d6a1cc64a4fbda86f8e7114bd4f3fb7f167a485
- 08 L 9d35dd77d8ac8fa2a04623cbe906578a5c9e2056e0a7c31d3a2ab73583734460
- 09 L 1993e115cb0420643adb9e46ba117d6763384f3da731a2478a3d4532cf407d04
- 10 R 2facd788024b69db6282d8e8a4be627dc9d4046e2f974e2874bf7db64b25eb5b
- root c7c92dfc41c72b224b2b8ad3c5957d4fa8a94eaab74d23b69d27e3741e579451