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 - CAGAYAN 2ND DEO Award a ₱28.8M contract to DYLAN EQUIPMENT, CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:

a5c969e56bd8beee762c83cf7ddcea158850ffc410e7a67abc7b8bd65db843dd

Status:

Included and unchanged

Block:

#4,057 1,956 blocks after it

Position in block:

Transaction 47 of 84

Award day:

Mar 19, 2020 (6 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 2ND DEO

To:

DYLAN EQUIPMENT, CONSTRUCTION AND SUPPLIES

Value:

₱28,761,291.29

Project:

20BC0049-Construction/Improvement of Access Roads

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 2ND DEO

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 #4,057 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 2020 CSSP", 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 - CAGAYAN 2ND DEO awarded it to DYLAN EQUIPMENT, CONSTRUCTION AND SUPPLIES on 2020-03-19.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20BC0049: 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 2020-12-22). 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 a5c969e56b…b843ddnow …
2. Block Merkle root changed
stored c77a6d426f…624fe8now …
3. Block #4057 hash changed
stored 15023910f3…83d8e7now …

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

leaf a5c969e56bd8beee762c83cf7ddcea158850ffc410e7a67abc7b8bd65db843dd
01 L a32c7c601d7ed9c168c5e22f56fbfa4dc2e3b3ce05aeefdbd70bcca4b7b387a8
02 L 18fd1c0dcc1a169cc85773670196b3512693de81bd8d52c9afe434f6c5f22c00
03 L 48500f31d461dbdc6ff5c4bbc88c2ac0e0e1cec0207e99220c4c1b00e6dd06ec
04 L 0b0cd90a7406b2cca9fc130fc3f685129bd1d4742b7d51710209272d52345fa5
05 R d754f3e4e31771eacddfac15d2ca3538f80b152028a52438de79949a8724fc00
06 L 927c826645840be9656a64b67684904a464f580db8716c535e7266748a71c4ff
07 R 6d3da3468a131570bb511850d91c7cdf53640a31783a2cc2e817c084eee86acc
root c77a6d426fb7bf173ed2f9b92eaca60589f2be1b96c4cef4dfe53c4af6624fe8