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 - ILOCOS SUR 1ST DIS Award a ₱542.1K contract to M.V. SABALBURO CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

fe0ab6d3d83b08095a5b749ed71df7160105b40f035b137f33a6217728419e6c

Status:

Included and unchanged

Block:

#1,388 4,625 blocks after it

Position in block:

Transaction 59 of 60

Award day:

Feb 27, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

To:

M.V. SABALBURO CONSTRUCTION AND SUPPLY

Value:

₱542,055.84

Project:

Concreting of Shoulder Along Manila North Road, K0400+(-12) - K0401+(-4), Bantay, Ilocos Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

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 #1,388 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 - ILOCOS SUR 1ST DIS awarded it to M.V. SABALBURO CONSTRUCTION AND SUPPLY on 2012-02-27.
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 fe0ab6d3d8…419e6cnow …
2. Block Merkle root changed
stored a83d918bda…7dc3bdnow …
3. Block #1388 hash changed
stored 658fe30c5a…a11083now …

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

leaf fe0ab6d3d83b08095a5b749ed71df7160105b40f035b137f33a6217728419e6c
01 L fa6477a17325f8d83d7e888a02e91545ef0b5dd7c5c0ba24255e177467f5439e
02 L a5160f14e5590676eff44ecb87be7a5738e5de2dd2bbf05d869d13a83cb9deae
03 R 6b89bc0e0e2060e3574dde47ca5964e9323e124e4886ebf930e043f82256ceb3
04 L 0dca3d0fe17a303152b9cff11120c64c4bc7eb8ada0f12d8c7d47823c37ac4e7
05 L 2e2a9e756b16e8d01fdae7813e86d24e8c1f4d0b82e6c7f7f968f8a8c19de963
06 L f1b0cef9702b04e652eaf828b3851a9d42ad4236450d55b6ab5369ff63dd1227
root a83d918bda5cd99dc4b661cd39d1d97ce655ae735177cf2fa378653bca7dc3bd