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-BULACAN 1ST DEO Award a ₱487.5K contract to M.S. RAMOS CONSTRUCTION INC.National agencies

Transaction hash:

29fa4e2bc50e67806009a18be4196f1dec0c6b433daa873dc62c094179feb988

Status:

Included and unchanged

Block:

#788 5,225 blocks after it

Position in block:

Transaction 5 of 29

Award day:

Feb 1, 2010 (16 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

M.S. RAMOS CONSTRUCTION INC.

Value:

₱487,458.32

Project:

Repair/Rehabilitation of multi-purpose building brgy. Meyto, Calumpit, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST 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 #788 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-BULACAN 1ST DEO awarded it to M.S. RAMOS CONSTRUCTION INC. on 2010-02-01.
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 29fa4e2bc5…feb988now …
2. Block Merkle root changed
stored 215af43b73…61c3acnow …
3. Block #788 hash changed
stored 82a420b62d…1a76denow …

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

leaf 29fa4e2bc50e67806009a18be4196f1dec0c6b433daa873dc62c094179feb988
01 L 29edc344affe273b60e01184768d974ab413b5a536d9a96e0c4c28f196a92612
02 R 047a609b13b03ca1bdccece97c7ad44b7b89cc1f4a6fc9126ab1c053a5b001f5
03 L 307041ce4ef025470ee2681583f8d1b477ec5812668c2f21346e6fe08ea75c8b
04 R 2fd2c5769fdf0b2f045f30472c930749f36098a5b375f06e744ad72c02c47205
05 R 6d0c495584a8dd9845c89004604fd632b9ee04ab7455e30119101e51ca3f53eb
root 215af43b73e4183672b2057e47b0337ec7f2e579cf3936ac51b9260a8361c3ac