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 - PAMPANGA SUB-DEO Award a ₱30.9M contract to TONKA CONSTRUCTIONNational agencies
Transaction hash:
ba88e7a8970f4e8a16b6931e40c8ece6b1d8ccb348234f71cab36f2e7fef283a
Status:
Included and unchanged
Block:
#2,667 3,346 blocks after it
Position in block:
Transaction 168 of 240
Award day:
Feb 19, 2016 (10 yrs 8 mo ago)
Value:
₱30,865,000.00
Project:
16CI0005
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 #2,667 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 2016 Locally Funded Projects", i.e. the FY2016 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 - PAMPANGA SUB-DEO awarded it to TONKA CONSTRUCTION on 2016-02-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16CI0005: 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 2016-10-05). 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 ba88e7a897…ef283anow …
- 2. Block Merkle root changedstored 754f71b44c…6bd1cdnow …
- 3. Block #2667 hash changedstored 4b296529d9…d3b187now …
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 239 records. Each step hashes the current value together with the sibling shown.
- leaf ba88e7a8970f4e8a16b6931e40c8ece6b1d8ccb348234f71cab36f2e7fef283a
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- 02 R eb851fae3c35b994ac901e2e5e02cda410770d3d1bf64a6c8eb88657c5b03ff8
- 03 R 24d879f0c3b8210cf902cbbdf7beb467015686d39dae279f3b679f8bc88a435d
- 04 L ce24b206e3b48217f64026b7bdb8a4f4ba1188787943e9dfef1a7ee7bb07d5a6
- 05 R 930fbbf947a415e4f4b174a2abdf73b2418cf8ad3b40a2847a4cfbf6eaec5669
- 06 L ea72f45f840620ef1b87e162694aa6d73f2e1e6fdbec3da8075e1be0cb4f5d92
- 07 R 90bce9b96ec5cbd84909222181d2abfde16fa6924c1b31240f0d3c8e71f0d93e
- 08 L dd6d81a8e7ecf8c3113c775a3fc82f30cb376ec82dd369e4c02d969777bb1698
- root 754f71b44c729515a9c78826f5e88ed4a953da3a4599e9498d85819c996bd1cd