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 - QUEZON 3RD ED Award a ₱19.2M contract to MEDITECH TRADE AND DEVELOPMENTNational agencies

Transaction hash:

809ff8c59f7ba7bad3bf59972c0f208e2ef61828d61f33d6be684b2a0a907487

Status:

Included and unchanged

Block:

#494 5,519 blocks after it

Position in block:

Transaction 6 of 15

Award day:

Dec 16, 2008 (17 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

To:

MEDITECH TRADE AND DEVELOPMENT

Value:

₱19,159,697.52

Project:

Cluster VII – Regravelling/Rehabilitation/Improvement of Unisan-Pototanin National Road, Km. 190+900 – Km. 194+950 and Km. 195+050 – Km. 199+070 with exceptions, Quezon III

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

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 #494 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 - QUEZON 3RD ED awarded it to MEDITECH TRADE AND DEVELOPMENT on 2008-12-16.
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 809ff8c59f…907487now …
2. Block Merkle root changed
stored 0bd7763f6d…3133d1now …
3. Block #494 hash changed
stored 16e6bae665…f62675now …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 14 records. Each step hashes the current value together with the sibling shown.

leaf 809ff8c59f7ba7bad3bf59972c0f208e2ef61828d61f33d6be684b2a0a907487
01 R 85b56562fa5345fbe6a853dc0b419b8d2460c2a098e4a2082e7c3137a67574b7
02 L 7cc8625a5aed262e890622eac389847984d8676d57dd720f239c62978cafa8f0
03 L 32585cb58bd78ea20c39bbe9a40d3b377ba9e660fb64e4865dc3a42309133ba7
04 R af3bf94e5dc3f93e2bf26edb5cfd7ff533b959242866085c0df6e0915e80f6fc
root 0bd7763f6d46d9bab014f2764d0181726a9ac53bd2e393caaab52508223133d1