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 3RD DEO Award a ₱10.3M contract to DOUBLE J1908 CONSTRUCTIONNational agencies

Transaction hash:

bdcd08d3c52c07018647d345a35d823d939941e2d0551080e41580779f32131d

Status:

Included and unchanged

Block:

#4,117 1,896 blocks after it

Position in block:

Transaction 112 of 148

Award day:

May 29, 2020 (6 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 3RD DEO

To:

DOUBLE J1908 CONSTRUCTION

Value:

₱10,288,281.92

Project:

ORGANIZATIONAL OUTCOME 1 ENSURE SAFE AND RELIABLE

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 3RD 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 #4,117 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 OO-1", 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 3RD DEO awarded it to DOUBLE J1908 CONSTRUCTION on 2020-05-29.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20BD0064: 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 2021-04-03). 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 bdcd08d3c5…32131dnow …
2. Block Merkle root changed
stored 4f6a5dfc3a…77e23enow …
3. Block #4117 hash changed
stored c6713ef79a…c3d30cnow …

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

leaf bdcd08d3c52c07018647d345a35d823d939941e2d0551080e41580779f32131d
01 R be8cd958df7f74d3f6e73d07eb661484eaeb340b9ef4577abb9b39b4cbb0fd1d
02 R 90f1b46575b7d81f1590c2465024c6652848c53a63600a845c06eb0524796bb7
03 R f4ae5a505e24f82ae26170fbaac40c3a32e41225aa092277c4f3574860ca1b38
04 R 9efb61ce6e95a0ab336b2b9e103611d57a9aef541bc3c5e368f3d45be9217bc4
05 L 8262f8a2d710c2b28544b30ae3a17aaaae2a2d08ad0d58af0be2e5ed8320b32b
06 L 2a95b8b77c8d2f169b9da71fd1d68e62a450de8223f46c06f77e3e04f103e674
07 L 26d55b39a7f901276af75ed523cafcb7dfa8300a857402e38164df9e06d5de9e
08 R 5799d4173d64a7f1cf86fe10028647d905c8896449931524283a0c8ac484293f
root 4f6a5dfc3a36933d055990a2d13840ac1f46c42729570d5756fe07602f77e23e