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 - LANAO DEL NORTE 1S Award a ₱2.8M contract to AL-AMEN BUILDERSNational agencies
Transaction hash:
a489ce685fbaf51fdb2479a2d45555cc80911dd537943b9c108bb1332ab5b6d3
Status:
Included and unchanged
Block:
#4,582 1,431 blocks after it
Position in block:
Transaction 159 of 258
Award day:
Sep 28, 2021 (5 yrs 1 mo ago)
Value:
₱2,840,014.89
Project:
21KG0085
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 #4,582 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 "Outside Infra - GAA 2021 DepEd BEFF", i.e. the FY2021 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 - LANAO DEL NORTE 1S awarded it to AL-AMEN BUILDERS on 2021-09-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21KG0085: Completed, 100% 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)DPWH marks the contract "Completed" (end 2021-12-15). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 a489ce685f…b5b6d3now …
- 2. Block Merkle root changedstored e4315d618b…9d9301now …
- 3. Block #4582 hash changedstored 30019a0bb7…4590cdnow …
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 257 records. Each step hashes the current value together with the sibling shown.
- leaf a489ce685fbaf51fdb2479a2d45555cc80911dd537943b9c108bb1332ab5b6d3
- 01 L a287f481e8b1ad5f07e4d5f05037609a7a155baff15442e64764d9242e0bc182
- 02 L d7ea60a643789681cbb1428870c4e665b5c504bc2542d0f7a0dbef0f2ef06bce
- 03 L 22de0f0185156d0ac410935815981b0b97daf8e826c96280547ecf27ed56d538
- 04 L ed62452be74843ef691a406cf7e584fbc0ba0c55f820ca863e138918c2f4cb08
- 05 L b4c1e814af61e1fd190e7704afbc25ccdd74b02217f6557e194a8e16dc7725c3
- 06 R 9ad516d9c118e0cedb654026ce5b1fe903aff058f1e2fe31f31f4c20ddf36674
- 07 R 4215fa5da201e64f47fc0ca6aff208d3579014e16a809d5e0ec21f774046825d
- 08 L f193960497e23f1f11609086898c0e737f9063ea166eb572947c75a0135c5bd0
- 09 R 51689ea1311982e89e1483e547522c4ca75ff49fd432d8130e9a03456ae75a0e
- root e4315d618bc91229f6c2d55d52f0f8a0dad2f76b6571c4caf730345f4f9d9301