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 - AKLAN DEO Award a ₱494.4K contract to PASTRANA CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

358f5478dbcc3003e2061b00c5de5ee5d34c3d309ee1051e90e4e862e3c4bef0

Status:

Included and unchanged

Block:

#1,543 4,470 blocks after it

Position in block:

Transaction 17 of 74

Award day:

Aug 28, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN DEO

To:

PASTRANA CONSTRUCTION & SUPPLIES

Value:

₱494,410.50

Project:

Const. of Farm-to-Market Road, Palay to Camanci, Batan, Palay, Batan, Aklan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN DEO

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 #1,543 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 - AKLAN DEO awarded it to PASTRANA CONSTRUCTION & SUPPLIES on 2012-08-28.
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 358f5478db…c4bef0now …
2. Block Merkle root changed
stored 4cbc60f317…2f4c8anow …
3. Block #1543 hash changed
stored 7498775f46…eeca3fnow …

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

leaf 358f5478dbcc3003e2061b00c5de5ee5d34c3d309ee1051e90e4e862e3c4bef0
01 L 34d912145efc32bbc793449f85a3013d57667314b8cf3f63a23742fddc958ef3
02 R ce11f13ae681cc2fb8132f5b7f934fa6c8c23e3475d5eb4f2318b153cc7bd5c6
03 R 91e1f8b93d66b3fb24b6e83d5706b90b6856e5547345916441ee7af1c53ff039
04 R fbaac7c710de4a55871e5f2fcb0b0e3e36c664b7429583ece5cbba4f749e2933
05 L ff3ab735ed30f9ca2d8c1ddcc6c6eddca9e4b25b6ba0b792aea5da1c00e0f1b6
06 R 81de8b7e3b82ac6af21045d93a01ac579b10dee71f2ad54215d6974ef0bbeb63
07 R a53fb40b9dd148e07c544cdd8c250469cac9dcc16e93b6a00b467518d61b83ac
root 4cbc60f3175be55ba627d91ff3ca30fb3cb1317c7ba6f792caf08cbb262f4c8a