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 - ALBAY 1ST DEO Award a ₱3.8M contract to PROTOSTAR CONSTRUCTIONNational agencies

Transaction hash:

a31c7ae4b85dc60ed4e80c1e192eec242ae0ef45cb9717844f40123ac18a0f35

Status:

Included and unchanged

Block:

#4,625 1,388 blocks after it

Position in block:

Transaction 150 of 245

Award day:

Nov 10, 2021 (5 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 1ST DEO

To:

PROTOSTAR CONSTRUCTION

Value:

₱3,750,094.79

Project:

Contract ID No. 21FA0044

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 1ST 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 #4,625 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 2021 LP", 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 - ALBAY 1ST DEO awarded it to PROTOSTAR CONSTRUCTION on 2021-11-10.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21FA0044: 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 2022-06-03). 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 a31c7ae4b8…8a0f35now …
2. Block Merkle root changed
stored aef0c23f46…e45e3enow …
3. Block #4625 hash changed
stored 29d2c5c260…e27de1now …

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

leaf a31c7ae4b85dc60ed4e80c1e192eec242ae0ef45cb9717844f40123ac18a0f35
01 R a447a4960c611118de5bca10d77503cea58f5f1407053c2f4f15880780f0d1fd
02 L 498b6b1d42d55e1b0994a716c7afa698f952eacce8c979d7ec363855dc2042e8
03 L e1f2249ef99ddbe22022423ada4210f817320bea255202d71401c5ec39100c82
04 R 1fd81d541b3a9610b5d9679f470bd451871f2ff014072646b4113d42735ee283
05 L 541f7d082621fb934e2e7e2c9ed97a815993e23cc100dee8073426ada1c8a091
06 R 6c898860d26e4eeed6a252169f6ac9b667bd2af5d7c91d545497344de30c7d29
07 R b0648c92b6c38fe8b5e4a8855591956a9040af165d14aa7d110691b4f7f8a190
08 L b3c85f9ba2876da40f27f10b3ecb0556f46d5d5b9840b89292514bfee0c7ea96
root aef0c23f46f8414be0c1c0df9260331fa7e358e8c36ee24739af7185eae45e3e