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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 4TH DEO Award a ₱41.9M contract to C.T. LEONCIO CONSTRUCTION AND TRADINGNational agencies

Transaction hash:

819b4a4a519ef0bfaef8ba7bba5b87a4683b072ad889be7ecbbdd83d084e1c25

Status:

Included and unchanged

Block:

#3,177 2,836 blocks after it

Position in block:

Transaction 86 of 156

Award day:

Aug 30, 2017 (9 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 4TH DEO

To:

C.T. LEONCIO CONSTRUCTION AND TRADING

Value:

₱41,873,214.12

Project:

17BH0170

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 4TH DEO

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 #3,177 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
DPWH lists the funding source as "Outside Infra - GAA 2017 NDRRMF", i.e. the FY2017 GAA. The exact UACS line is not given.
Partly
Open
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 4TH DEO awarded it to C.T. LEONCIO CONSTRUCTION AND TRADING on 2017-08-30.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17BH0170: Completed, 100% physical progress.
Found
Open
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
DPWH marks the contract "Completed" (end 2018-04-06). The certificate itself is not published.
Partly
8. Audit
COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 819b4a4a51…4e1c25now …
2. Block Merkle root changed
stored 1e27da01ec…1f31denow …
3. Block #3177 hash changed
stored c9efdb43bc…e58dadnow …

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 155 records. Each step hashes the current value together with the sibling shown.

leaf 819b4a4a519ef0bfaef8ba7bba5b87a4683b072ad889be7ecbbdd83d084e1c25
01 R 8229a5aac2a0d817044c974d2c48c4390f56bc9d13ca00b5e3b751a50b23ed49
02 L b2567ab743cc47d4a21a176a338911c323feec7d001fb1914f07191bc5b4b306
03 L 6fb3f4356d87424f96ef1375f78847231deab95f19db5a63f27d1f20d3d45e9f
04 R 15e0c4b6d0a9d6ab4c27ccba212f3b7693f89ecda3e49430351438e1c8f1a414
05 L 9c3b94d49a7f0d06281011e7f3d760235419e8fc482e0f026bb0fe8e0a77c05d
06 R 481dcb0f80fe686961ca4ebd2f56d0f25d0c68d0dbe16f0190a7801220fa1e61
07 L e6b4d516aca08b00eef5d6d8d6cdd04220de293280ff27a6ff82196895102022
08 R 36dd9d267faa1392fdfc0b9ae4e5a004b7cbdfc945d4630524549d5d21ed8aba
root 1e27da01ec7e12256911e79a5f0c558bcfe7b16ebd0c495695adfae4d21f31de