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 - ILOCOS SUR 1ST DIS Award a ₱1.9M contract to N.A. IBARRA CONSTRUCTIONNational agencies

Transaction hash:

cdd1ac4ddab2d51e21cd76dfcccf4f6bfed75b3bf44b298753b0288bba277b3b

Status:

Included and unchanged

Block:

#2,807 3,206 blocks after it

Position in block:

Transaction 89 of 111

Award day:

Jul 29, 2016 (10 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

To:

N.A. IBARRA CONSTRUCTION

Value:

₱1,919,042.26

Project:

Const. of Senior High School Classrooms, Vigan C/S

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

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 #2,807 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 2016 DepED BEFF", i.e. the FY2016 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 - ILOCOS SUR 1ST DIS awarded it to N.A. IBARRA CONSTRUCTION on 2016-07-29.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16AC0082: 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 2016-12-01). 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 cdd1ac4dda…277b3bnow …
2. Block Merkle root changed
stored 81b7483705…6e0b28now …
3. Block #2807 hash changed
stored e322a830de…c26f05now …

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

leaf cdd1ac4ddab2d51e21cd76dfcccf4f6bfed75b3bf44b298753b0288bba277b3b
01 L cd0b3f5f2a9c180b2ed3be45f00faded15b12ee62f4ecff6e5ac03d46856200e
02 R 96e22919c4b9f30ce76bcbd8f9b649463df57230eafeaa343576a723e663f461
03 R 3baa151cd4df21a34a83a95699b852f7c17f274a882f8ffe6ce4d82c4eb89ef2
04 L abd5c9a737221ac0a6140032600172ef53feb9e57b68b028e83222bde8e3ff11
05 L 8d075fcebdf06efc2c78d820f377d6f74f0f6dc3c01d4ae721eca9db530bf7bc
06 R 599e40f45efef78e7ff2b51e5fef36909969df99c2fb12227157dbd96db4b8a9
07 L bad730e48d830cb78414b916b76a7f9008bc8420ead224e40ebbca6eb2a945bd
root 81b748370544a0eb9031f01ff7740b05631c0179f3f158e88c2b75221d6e0b28