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 III Award a ₱137.6M contract to NORTHERN BUILDERSNational agencies

Transaction hash:

d2b4bbf7e855a3883d638aba9da9f98f2cf074e28a354fc23376a4f2885751f8

Status:

Included and unchanged

Block:

#3,368 2,645 blocks after it

Position in block:

Transaction 259 of 316

Award day:

Mar 21, 2018 (8 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION III

To:

NORTHERN BUILDERS

Value:

₱137,561,679.92

Project:

18C00049

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION III

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 #3,368 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 2018 OO-2", i.e. the FY2018 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 III awarded it to NORTHERN BUILDERS on 2018-03-21.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 18C00049: 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 2021-03-01). 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 d2b4bbf7e8…5751f8now …
2. Block Merkle root changed
stored d58ffc6f97…182c5bnow …
3. Block #3368 hash changed
stored e6ca4732f7…c1192bnow …

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

leaf d2b4bbf7e855a3883d638aba9da9f98f2cf074e28a354fc23376a4f2885751f8
01 L ce61d3ab272da861fd3a090a0e7f8d71a57263801735a6ea4d9016e76890c864
02 L a730dc6967fb69c222a6a56282ffaad3f2675b7a41a1d7af8d106f3d2b5132ba
03 R 7969ae6042d5794582bcaf02475f2752696f8bc72649ee57d71e588b3caf7762
04 R b88d90736915773b96b2e57ce7c603f4a6eae3dc5251813b87141bc3203c175a
05 R b50d8b7492099c89c5f4bfb8161b174bdfd8d7149e89cf9f035db25ce7568f63
06 R 95428c3fbc7d280cd7e965e380298a513c34ce3a93b781341e2877de8de6c7f0
07 R 874eaeafc9eb0901e13e85026f12fc5c9465b1642f54da6c3f5e332b36f71567
08 R 68ac6cd609518189f6abf9f01b21584b10f946a98f4a85976d08723f8cd60bfb
09 L 2b4aa98384cf9a72883a93cb5f7b07762399f551da6b36ab7ca236e7061de536
root d58ffc6f9741fda99b0769362f8e928e68b764a1d122e6f80564eb3601182c5b