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 ₱28.7M contract to 3DIAMONDS CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

8a37ef6283a40b60e4fe838c13cb8dca1e50282c5480ba91529fc464bed68b5d

Status:

Included and unchanged

Block:

#4,257 1,756 blocks after it

Position in block:

Transaction 54 of 108

Award day:

Oct 21, 2020 (6 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 1ST DEO

To:

3DIAMONDS CONSTRUCTION CORPORATION

Value:

₱28,710,993.17

Project:

Contract ID No. 20FA0069

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 #4,257 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 LP", 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 - ALBAY 1ST DEO awarded it to 3DIAMONDS CONSTRUCTION CORPORATION on 2020-10-21.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20FA0069: 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 2021-03-28). 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 8a37ef6283…d68b5dnow …
2. Block Merkle root changed
stored 93a6a0d056…a1f34anow …
3. Block #4257 hash changed
stored 0a2873c135…6953c6now …

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

leaf 8a37ef6283a40b60e4fe838c13cb8dca1e50282c5480ba91529fc464bed68b5d
01 R 8a74e258729e9da9d351ad6d2fe8fa2de85730bbd102e253c8b0c084b467231b
02 L 216bc822a553e3c68e6017127f763c3a801c3fe05924b77f76560ab29d8635f4
03 L a419980e4ed7b3dbf8678fd84fbb800fc4712cda2d0c97a6d6deea70aeba019f
04 R ffa942d9d535267bb394ea2647de438c585224474f2a1f2402bfa61be5292d8a
05 L 67c5eba206038b0b53ea56f7755f100a8c8e2ffe9c3d2543de85621bd84d9ee7
06 L e5bf91d3df9f09278a51f4b23b9deb72aa5c773968280cb8cbb56a3204b7ef0d
07 R f0f39f804cf52ca35b61b1e303568dca8ee666440531250ec11df43c2abf5613
root 93a6a0d056e20ccf1aa402a68c762f92e9f1f6b4127d054bb862f448ffa1f34a