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 - CAR Award a ₱962.5K contract to MEP CONSTRUCTIONNational agencies

Transaction hash:

f93d0dedcb5b181dd96da356a7ca693834b3b201d703d6defb942bd5f30640ef

Status:

Included and unchanged

Block:

#1,207 4,806 blocks after it

Position in block:

Transaction 33 of 36

Award day:

Aug 2, 2011 (15 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

To:

MEP CONSTRUCTION

Value:

₱962,536.72

Project:

Rehabilitation/Repair of Roadside/Roads, Dominican Hill Tourism

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

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 #1,207 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)
The award does not say which budget line pays for it.
Not published
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 - CAR awarded it to MEP CONSTRUCTION on 2011-08-02.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
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)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 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 f93d0dedcb…0640efnow …
2. Block Merkle root changed
stored 4276765ab9…bea0f8now …
3. Block #1207 hash changed
stored 23c8a02c61…983163now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 35 records. Each step hashes the current value together with the sibling shown.

leaf f93d0dedcb5b181dd96da356a7ca693834b3b201d703d6defb942bd5f30640ef
01 L f1d7e18dfb7558fef945963a2893c0d195cf4da2261e99747a25a06ffb25a5a9
02 R 5b018c915bbeb787cc0d5c51a8a27dfb2961c1be8a0aaf0679cdfdcce840a855
03 R 720f14c602c1a749853768a3013b08c015ff124ae896645b006f6aa07b129802
04 R d19b0746e4a7c1b6c93f9c8e5fc9ecd76180ffb6f352f9dcff0f553d5188a9a6
05 R ea7ec891bb30b9fba26fe8436b92500e3de72b4753a0842c1e7bb2851927dce6
06 L 8829fc94b59b3680e39f299626b09401a36684fdefa6d6bda4c93501bb96a0e3
root 4276765ab9ffd605ea8ad7f1f8414a71bb1c7faeaa12eb4b521ad401b1bea0f8