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 ₱583.1K contract to M.S. RAMOS CONSTRUCTION INC.National agencies

Transaction hash:

bcd4281a7ec6388ed668002bf8b379affcd6dd8c6808795040f88460c0cb8c87

Status:

Included and unchanged

Block:

#999 5,014 blocks after it

Position in block:

Transaction 20 of 33

Award day:

Nov 9, 2010 (16 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

M.S. RAMOS CONSTRUCTION INC.

Value:

₱583,056.40

Project:

Construction/Rehabilitation of school building Tiaong E/S brgy. Tiaong, Guiguinto, 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 #999 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 2010-11-09.
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 bcd4281a7e…cb8c87now …
2. Block Merkle root changed
stored 72c37b603e…b0b4e6now …
3. Block #999 hash changed
stored 7982080cff…c10a00now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 32 records. Each step hashes the current value together with the sibling shown.

leaf bcd4281a7ec6388ed668002bf8b379affcd6dd8c6808795040f88460c0cb8c87
01 R c0ce223f650f1190c7a0177807e677b3d9838e8284dd2d6f839bedb34cb50980
02 R b8014032f8a66603ef7d2d2f1f792d1697605489a4a730a0447b91af88d97677
03 L fc60263bb1980b65f78915ac185ec0f75b3b0a41b81f028390331404f93a54a8
04 R 3572ca694d63788ac90021e48dc92462aa8348d4f9c80c6253d3f9a13e989e5d
05 L ab8d6af5d0a6feac46d1b11248261da03e3591b745907dae82ebc1d01b94a998
06 R 3b61c99e9811160e448d825fecbb4fd12394630caba2a1aad9045d2967480704
root 72c37b603e8dba3046d7b855ce1b1db4ee00c2903ad4b19857bc4fcb5eb0b4e6