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 I Award a ₱2.0M contract to P.T. DIAMOND MERCHANDISE AND CONSTRUCTIONNational agencies

Transaction hash:

bb1ed2f4597d9c4cc1d2d58e06409200ecdd98efe45805be3f462a872c7e03d0

Status:

Included and unchanged

Block:

#768 5,245 blocks after it

Position in block:

Transaction 13 of 19

Award day:

Jan 4, 2010 (16 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION I

To:

P.T. DIAMOND MERCHANDISE AND CONSTRUCTION

Value:

₱1,997,789.50

Project:

Repair and Maintenance along Sta. Lucia-Salcedo Road, Km. 338+175 to Km. 351+455 w/ exc., and Candon-Galimuyod-Salcedo Road, Km. 345+940 to Km. 361+000 w/ exc., Ilocos Sur II

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION I

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 #768 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 - REGION I awarded it to P.T. DIAMOND MERCHANDISE AND CONSTRUCTION on 2010-01-04.
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 bb1ed2f459…7e03d0now …
2. Block Merkle root changed
stored a8fd406e03…4cdc7dnow …
3. Block #768 hash changed
stored ccd494d964…71fd1bnow …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 18 records. Each step hashes the current value together with the sibling shown.

leaf bb1ed2f4597d9c4cc1d2d58e06409200ecdd98efe45805be3f462a872c7e03d0
01 L af49ca264c54485f514a7b7077e90d5739adcaa0744f10aa73f7f6fc159e073e
02 R dff20532c38742865fb24b46d9c24aabcb441f81295a17a63981c46477d906f3
03 L 1310fbdc17e40f0e4e85633b9f8f45a0f87340fc8a2a9856163bce2e043d80e4
04 L 0b595553a5d2bcb5f7f37c83e8817d214fc224a024c1885af7dc66de7b27c23c
05 R 9c160b29d1a25a77819cba557553cad606a1ea108f63aac91650376961ae5001
root a8fd406e03d8e4eadcbd36a41ce2a361f39af846ecd1d881c6bad860ac4cdc7d