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 - N. ORIENTAL 2ND Award a ₱6.8M contract to C. LARA CONSTRUCTIONNational agencies

Transaction hash:

8dd6d2e6dec689a5a49a2f381f0630d45a8e8ffdcdbfa3e1bc5a2dd596f7936e

Status:

Included and unchanged

Block:

#2,789 3,224 blocks after it

Position in block:

Transaction 57 of 124

Award day:

Jul 11, 2016 (10 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. ORIENTAL 2ND

To:

C. LARA CONSTRUCTION

Value:

₱6,790,738.00

Project:

School Building

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. ORIENTAL 2ND

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 #2,789 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 "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 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 - N. ORIENTAL 2ND awarded it to C. LARA CONSTRUCTION on 2016-07-11.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16HK0072: 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 2017-10-14). 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 8dd6d2e6de…f7936enow …
2. Block Merkle root changed
stored cc382052f3…cd78c7now …
3. Block #2789 hash changed
stored a361d38e16…075107now …

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

leaf 8dd6d2e6dec689a5a49a2f381f0630d45a8e8ffdcdbfa3e1bc5a2dd596f7936e
01 L 8d28455775ac93d1e42c4f5388afb3582102e933d604e5eebb1129acb9f643fe
02 R 1f007696feb3f9c1361ba6f8297ce3385233bd533b65ee58533b5b3962aaa2ed
03 R 0d41c601f6a362b822d6dd8883e76e7bf8740c4c0c3ab82173712e4596be44d3
04 L db4b5805d69a5eff5b8bc57e47fc3d06347953c572a101e64a8e99a33293af2f
05 L c22327f0b8d9c8ba30aecef51ada9ecbb7a0bfd10f4369eade03a3083926ccd4
06 L 34553edfa9d0c7363ea3de3879339ad486f7616898bddd5f30306ba191ce42db
07 R 9e63259c2f000b9cdaa2d9ab6c63e324d7f14872ed82cae9118d74546b849de6
root cc382052f379c7b5dd86a0258fb1b3fbdfd7cba407332661fc1dfc897ecd78c7