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 - QUEZON 3RD ED Award a ₱12.1M contract to MJIEL CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

ca8bd6a0e1d4033fd573e4be3e08a3588e7fdafe1ecd7461ef32628c8584e4ed

Status:

Included and unchanged

Block:

#4,188 1,825 blocks after it

Position in block:

Transaction 145 of 174

Award day:

Aug 10, 2020 (6 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

To:

MJIEL CONSTRUCTION & SUPPLIES

Value:

₱12,114,805.65

Project:

Construction of Two(2)-Storey Four(4)-Classroom Sc

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

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 #4,188 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 2020 DepEd BEFF", i.e. the FY2020 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 - QUEZON 3RD ED awarded it to MJIEL CONSTRUCTION & SUPPLIES on 2020-08-10.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20DM0070: 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 2021-02-02). 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 ca8bd6a0e1…84e4ednow …
2. Block Merkle root changed
stored 978299dcff…598425now …
3. Block #4188 hash changed
stored c6eaee3369…054d57now …

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

leaf ca8bd6a0e1d4033fd573e4be3e08a3588e7fdafe1ecd7461ef32628c8584e4ed
01 L c8c2a8eab2cdcbff57177261cab2d4bda9d2f6146e633b6af7bd652b2a560c22
02 R 1319be7bf4c9c03d0133e29d15937f48101c1fa20f1a5673d6fdb288b61d1375
03 R 1ea7ea7941cff6e0627784df7c46970a71d81aedab44d1db9456e69c6f71ef93
04 R 955575dc24402a33223b5401d9084f1557d62e9ded0bab2a8a83b6a9c47e7f59
05 L 390576ae836ebe4a2a8e54caca256832c461b6fa83bd6bf34b7f8c09cf939809
06 R b24a3bb3f06f495724bbb852794ccb2d59ffb315c2d6b9f7c1f7b926f369b73d
07 R 4d978557a1c817d0b3402b2f0648dbed43a8e5419dd3c3ead63e21ade519403d
08 L 66c0e8f8dcc9014b960e6ff9081cdb505eafe8e783e73b74c8a7e7eae35d26ac
root 978299dcff4abab6835d76bed5293609943b67015ebcb4a50e5c88543b598425