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 - LOWER KALINGA DEO Award a ₱492.9K contract to CHONG CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:

2fa4d6526ee5eba61596596ca2893d180765beeceb4aebf43b1b6593244e2a1f

Status:

Included and unchanged

Block:

#4,618 1,395 blocks after it

Position in block:

Transaction 44 of 224

Award day:

Nov 3, 2021 (5 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LOWER KALINGA DEO

To:

CHONG CONSTRUCTION AND SUPPLIES

Value:

₱492,870.05

Project:

21PL0120

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LOWER KALINGA 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 #4,618 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 2021 DepEd BEFF", i.e. the FY2021 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 - LOWER KALINGA DEO awarded it to CHONG CONSTRUCTION AND SUPPLIES on 2021-11-03.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21PL0120: 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 2022-02-07). 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 2fa4d6526e…4e2a1fnow …
2. Block Merkle root changed
stored 3d42b1e6c6…861de9now …
3. Block #4618 hash changed
stored 0c439f9edb…50e115now …

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

leaf 2fa4d6526ee5eba61596596ca2893d180765beeceb4aebf43b1b6593244e2a1f
01 R 328ab8bbffd18d0c53ebb3614fcbde8e7f9f0a82f65d45ac227d5804275773bd
02 R f4947d4a7f40afc7dc1d6e1dc77b73b7740582cf0591530e48a80b9f39f1ab57
03 L 3ddc66ca36f7ca52eb35f002e6732aa829fdda1cbde1a8755f342d2cb8e7d308
04 L 5a8d01dc3e1da9677b4af60bcd06c69acc77f68d75d86d78f2c1db58ed51c97b
05 R e01479260f50b4bf82f37ec6d426409138c0580ce9700edf467e47a5d47c8490
06 L c71a2b4870bf931d0f0660ab429aca3c2c3894a7e38da17279e361a0c968e435
07 R 6956d673bfdd3fdaf6da1bed0c250475eb0311dd266636dfb9bea49471a13450
08 R 28aa90db5f7d845ded9e8c589b0a9fd568ba10a857c139c33fafa520ca04a382
root 3d42b1e6c623b0f20cd47725e65b5238ac92afdcbc6a3f4f13ed53a430861de9