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 - REGION XIII (CARAG Award a ₱141.8M contract to NORTHERN BUILDERSNational agencies

Transaction hash:

c58340f856f39b59f6c541ed0a94b3420f8242cf6090512383919a0138aa35a7

Status:

Included and unchanged

Block:

#4,850 1,163 blocks after it

Position in block:

Transaction 97 of 126

Award day:

Jul 8, 2022 (4 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XIII (CARAG

To:

NORTHERN BUILDERS

Value:

₱141,843,037.88

Project:

22N00172

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XIII (CARAG

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 #4,850 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 "Regular Infra - GAA 2022 CSSP", i.e. the FY2022 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 - REGION XIII (CARAG awarded it to NORTHERN BUILDERS on 2022-07-08.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 22N00172: 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 2024-04-21). 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 c58340f856…aa35a7now …
2. Block Merkle root changed
stored c5792bfa3d…91c83bnow …
3. Block #4850 hash changed
stored 6e2e075bb5…d36fd3now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 125 records. Each step hashes the current value together with the sibling shown.

leaf c58340f856f39b59f6c541ed0a94b3420f8242cf6090512383919a0138aa35a7
01 L c0ca018b6e5505b43bb300fbee1f33ea054b7e4e1bd954954289d6c7e0ae2883
02 R be2722df920e17ce1e181df465d89283e553fe3e36ec5f2a66ed154d78784a37
03 R aa5462123d872867c6135bdc391506b9ccfbf29443a88a17e658906b02312b7e
04 R 8f52a93f39bc4a97ae9ebeb301d8c935278d702a6c6fc50e6c61bd195379bfa7
05 R 1a16aba0ce18b7007c1e78a4faa0f9e275d411c97305dc7814a7e434921b051f
06 L 499a3a00333ccfb08672ced620ab69625447f05c5a1a893c12f31908e5a16a56
07 L ee1820ba6a155de313c36e14f039201f6b548d2ad110d57265a8b58354495479
root c5792bfa3da3332604b7ab48a3a04ac8be5ea7560bd67f5929f9625b3f91c83b