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 - REGION II Award a ₱31.7M contract to JTA BUILDERSNational agencies

Transaction hash:

02befab08de3d38db3a8cc90e8cece436889c511e6e989d50de399d8e25ed77c

Status:

Included and unchanged

Block:

#3,131 2,882 blocks after it

Position in block:

Transaction 1 of 125

Award day:

Jul 13, 2017 (9 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION II

To:

JTA BUILDERS

Value:

₱31,705,909.68

Project:

17B00048

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION II

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 #3,131 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 2017 LFP", i.e. the FY2017 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 - REGION II awarded it to JTA BUILDERS on 2017-07-13.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17B00048: 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 2018-10-31). 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 02befab08d…5ed77cnow …
2. Block Merkle root changed
stored 4baff34e03…57e72fnow …
3. Block #3131 hash changed
stored bf5a1d8508…34d08cnow …

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

leaf 02befab08de3d38db3a8cc90e8cece436889c511e6e989d50de399d8e25ed77c
01 L 0135fa60e3da6459566ee30e9316cc1e635d4b0741ae9bc936dc7275d3481ac7
02 R a795f75aa18f13a4276260901f2c555d0069899b51012a57548d64ee78e24a0e
03 R 64f52151145d5e8aee885dfc743b52e4bde7d74bbba3bce3096d23f98a385c2f
04 R aef7b2659d9aacee6b0764a20e316b6d762fb3177b3bea417b334c5eab39c6c1
05 R d0778e1372535ca5c5273e962a9e0f9a4287d84e0efe25526d8fa4e55da7930c
06 R ba108f88572cec2d15406e9a1a694bf34a04f75d06f06affd36f2db6ca59e917
07 R 493e4328ac634e516636edebb25ab3bdaffe275fab3277dad6b19f41f0df1dbb
root 4baff34e03234cf267bbb6402459b468cd48ea01e682648703df46ccda57e72f