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 - ILOCOS SUR 2ND DEO Award a ₱9.5M contract to VIKING CONSTRUCTION & SUPPLIESNational agencies
Transaction hash:
b14046ffa8aef0297a36bb177355875c9523fcc17405ecc5490f7ccb6a693a4a
Status:
Included and unchanged
Block:
#4,237 1,776 blocks after it
Position in block:
Transaction 822 of 1,204
Award day:
Sep 30, 2020 (6 yrs 1 mo ago)
Value:
₱9,471,050.57
Project:
20AD0068 (RE BID)
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 #4,237 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 2020 LP", i.e. the FY2020 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 - ILOCOS SUR 2ND DEO awarded it to VIKING CONSTRUCTION & SUPPLIES on 2020-09-30.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20AD0068: 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 2021-05-11). 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 b14046ffa8…693a4anow …
- 2. Block Merkle root changedstored 4cf44a6f10…210053now …
- 3. Block #4237 hash changedstored eb3a99c020…e97410now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,203 records. Each step hashes the current value together with the sibling shown.
- leaf b14046ffa8aef0297a36bb177355875c9523fcc17405ecc5490f7ccb6a693a4a
- 01 R b15274ff2091cbf8a280aca2b11b8e8e53e1654f29041fb622cf552ed4db3c09
- 02 L 9f9a222d2a86d6d393006277eda47330f7257bb25583bd88260a8dda516e426f
- 03 L 18f38d030bb3e85baa864e685034961708d181b7d14f59632a74a7f9ec7f9b07
- 04 R 84212778450b29423efa347d1de71b575fb8612648cc7362292a876ea2a0423f
- 05 L 1bed7b7284ba5e6ebb5962f021d76307110e8ea9b6c27fd2ff459df75aac09dc
- 06 L 96fe589e71b92f45f8689af8fe3b3f17139a97f4bd9fb5cee5a5f1c4308f1084
- 07 R 31d9fc0d04a4bd9220c75ddca28c7faf9e8a6209258dd9c79fc15e2c75462bc2
- 08 R 9207d8801a4c11c9669eef6a0c8c0681f54d578ac9ca3499ddbc28873447937b
- 09 L 324a560a06d2871a505ae3815bc017cd88369f363d78c6728a9f5f64af14a2bd
- 10 L 74d2f6d1b2fee40e964ef6eb12f2ff21f66d654beef5296994dbeff1befff24a
- 11 R e52c213a4925397c81e73943717e6ef5b4b6d040d892e4fd42fd5683a7fcc063
- root 4cf44a6f10836aed6e9128ce74ac7e3c1f227597e75d25328502126aac210053