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 - NORTHERN SAMAR 1ST Award a ₱4.5M contract to ANDREA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

20868cfce5980438ccaf76fd8fefa1e02da320c80213be648b1f3f938929b528

Status:

Included and unchanged

Block:

#3,982 2,031 blocks after it

Position in block:

Transaction 6 of 45

Award day:

Dec 31, 2019 (6 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 1ST

To:

ANDREA CONSTRUCTION AND SUPPLY

Value:

₱4,477,004.18

Project:

19IH0049

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 1ST

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 #3,982 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 2019 LP", i.e. the FY2019 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 - NORTHERN SAMAR 1ST awarded it to ANDREA CONSTRUCTION AND SUPPLY on 2019-12-31.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 19IH0049: 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 2020-07-21). 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 20868cfce5…29b528now …
2. Block Merkle root changed
stored 40bf095424…ac5f19now …
3. Block #3982 hash changed
stored 09e457fa04…4c256enow …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 44 records. Each step hashes the current value together with the sibling shown.

leaf 20868cfce5980438ccaf76fd8fefa1e02da320c80213be648b1f3f938929b528
01 R 24599dd7ab9af66ea827f0860c6aacb7a01bae80f536bd682fb15f4fda25fecc
02 L 4f483a512c3ffdb54aba312e05a707511409f7c6fa8727d581267200852d8cd1
03 L 9f70632f3e39945b9c85d87cdd8d8240ddbc5f743a732420ecdffeaeb782b551
04 R fedd763be900e28f1506a43dc8eaa03c0b358941d3d609b0f29b0ed59c2ab9c2
05 R bbd9f35ad7fc1c63b64cfbefe6c3cf9dbe149b45000359827987516ce104cf27
06 R 588b2abc8d6266685bb9fe457e17fba59f04bbdc7d13b2bb1d72b42093e2f4e7
root 40bf095424ab968f5ae3664f09d383c48f734c072936d8217fad46ebdeac5f19