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 ₱5.0M contract to M.S. RAMOS CONSTRUCTION INC.National agencies

Transaction hash:

77eb327030dfbebe5f33573bbeb0db127211a09b8f66d7f786ea463c5debf02f

Status:

Included and unchanged

Block:

#755 5,258 blocks after it

Position in block:

Transaction 10 of 25

Award day:

Dec 11, 2009 (16 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

M.S. RAMOS CONSTRUCTION INC.

Value:

₱4,992,140.00

Project:

Asphalt Overlay along Old Cagayan Valley Road km 45+400 to km 46+400 w/ exceptions Baliuag, 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 #755 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 2009-12-11.
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 77eb327030…ebf02fnow …
2. Block Merkle root changed
stored 432d2ed1f4…c36a31now …
3. Block #755 hash changed
stored 3f003ca643…3011d8now …

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

leaf 77eb327030dfbebe5f33573bbeb0db127211a09b8f66d7f786ea463c5debf02f
01 R 7883771daa91421c167e2c7dcafc9e5dd7b263f78db0ad2251381f0b6298d92a
02 L 2f5dfc358ecbd579e3fde77ef71877e2293855594fc649293d5bdd89dfc347e4
03 R 28389c3c65d9164d7de5b9e5e6b93d5d7b3986c9c5919fe23f20becffcdc5680
04 L daf5e793410f6ee71d5f22ee6ffb702c423e115a8800cdd284001f4feddb0d42
05 R 7b484cb92d0a67c8bd37f2e7829d058a0c2a4d1eb647d58c254c7a6a18c830ec
root 432d2ed1f4cdb8638147f16feb81d05017c36b7c2be40c822772fe5a40c36a31