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 ₱285.7K contract to M.S. RAMOS CONSTRUCTION INC.National agencies

Transaction hash:

2bbbb3dad87895e676e6509cfea68b6abcebbc64a67d0171645cfcd55be7ff85

Status:

Included and unchanged

Block:

#508 5,505 blocks after it

Position in block:

Transaction 3 of 25

Award day:

Jan 9, 2009 (17 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

M.S. RAMOS CONSTRUCTION INC.

Value:

₱285,732.96

Project:

Rehabilitation of multi-purpose building brgy. Batia, Bocaue, 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 #508 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 2009-01-09.
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 2bbbb3dad8…e7ff85now …
2. Block Merkle root changed
stored 80e9a78bd5…d238b3now …
3. Block #508 hash changed
stored 6f2f54dbd5…a5a849now …

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 2bbbb3dad87895e676e6509cfea68b6abcebbc64a67d0171645cfcd55be7ff85
01 L 25c2446e5f0b464319d0273e90b37a95d0fbec444b97a40657faeb0ee761d198
02 L 9eba2237e9583f9e4b10368ec950f1315160ed8c7f9570f46a4ddb1813a0fcb5
03 R 0740e8db15ffabd7436b322f4505e60784d023e04b88c4c8921ba57f6dbe16ce
04 R f2e31c2cb94af7e96cad29bd47927a33cfa1df7f693b40e1f292074e7e2905f4
05 R ed3b5d61d40b5c0b2d94d55166b03b899020c4f1ed192f3d190e35341d606456
root 80e9a78bd5357030b27520dbd0d0c3555904f73a2d033a3e7d609d5cfad238b3