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 - BENGUET 2ND DEO Award a ₱9.7M contract to POLO ENGINEERING AND CONSTRUCTIONNational agencies

Transaction hash:

dd92eb4fd46b2cab0a5302fe093ef2d1a888ea8bd58b3c5534e2815e76498878

Status:

Included and unchanged

Block:

#4,121 1,892 blocks after it

Position in block:

Transaction 91 of 106

Award day:

Jun 3, 2020 (6 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BENGUET 2ND DEO

To:

POLO ENGINEERING AND CONSTRUCTION

Value:

₱9,715,518.57

Project:

20PF0030 Betwag - Pongayan Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BENGUET 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 #4,121 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 - BENGUET 2ND DEO awarded it to POLO ENGINEERING AND CONSTRUCTION on 2020-06-03.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20PF0030: 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 2020-11-10). 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 dd92eb4fd4…498878now …
2. Block Merkle root changed
stored cce52cbd68…944046now …
3. Block #4121 hash changed
stored c5298167f1…f84edbnow …

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

leaf dd92eb4fd46b2cab0a5302fe093ef2d1a888ea8bd58b3c5534e2815e76498878
01 L d44beafa25bf25b4a062f3c14a42ede73fa3d16a1d2ae6bb62f6a77220698cae
02 L 3c364dab42db69d040288e1833a5bab5e0d16e784714cd2e3b18c68a4ea19ff8
03 R 5ceee608ad3df85f238c4a24f007a9ec8cc5f12bff7e472203ef6d7a195732b2
04 L 8e6880aba69a11043220054ab218c22971fefd875680ba0083f4b466544b54a6
05 L 26287730c2c12a7904d0b80a487423946a53aed0b34a95e2161e7885359998c0
06 R ee6bd78e7144ba23c5b9af204f8da0fdedcccd5ddab5bdd55ae1b977a88acec8
07 L 94d5c847755da2d79b63c6b6ad35c856aa63122d469b198aae2685a8126bd2d1
root cce52cbd682568b9c523d9c66e6f1555f6c341c9b8c90b86d824675952944046