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

NATIONAL IRRIGATION ADMINISTRATION - REGION V Award a ₱1.2M contract to R.D. MANDANAS CONSTRUCTIONNational agencies

Transaction hash:

5f0d343b0e35fe155faef01027b89a658fbc53c4e9da6f24519adb3e4cd3629b

Status:

Included and unchanged

Block:

#1,067 4,946 blocks after it

Position in block:

Transaction 8 of 21

Award day:

Feb 8, 2011 (15 yrs 9 mo ago)

From:

NATIONAL IRRIGATION ADMINISTRATION - REGION V

To:

R.D. MANDANAS CONSTRUCTION

Value:

₱1,196,642.20

Project:

REPAIR/REHAB OF BUYO CIS, Manito, Albay (RESCHED) , Diversion, Canal Structures & Canalization works

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL IRRIGATION ADMINISTRATION - REGION V

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 #1,067 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)
NATIONAL IRRIGATION ADMINISTRATION - REGION V awarded it to R.D. MANDANAS CONSTRUCTION on 2011-02-08.
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 5f0d343b0e…d3629bnow …
2. Block Merkle root changed
stored 280749fdcf…fdc246now …
3. Block #1067 hash changed
stored 1c723f1a8a…bfa3f5now …

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

leaf 5f0d343b0e35fe155faef01027b89a658fbc53c4e9da6f24519adb3e4cd3629b
01 R 69678457d28f731720938b6b2a0f2a99ae04b3d17ba2469dc14659b65a42c88a
02 R 248d32c546e36c6c45e939ea54844532a891daa6c18c527c600c5d265d31ea59
03 R 3ee9d211cacbc4318cd5eb39bd5ad9d5b917eae6c08ce6c5410c6021715edc08
04 L 1b451d9260bcfc115e296659b552c0dc24d9f25bdee467d3f0ef4734d8e677cf
05 R af3067b28db86d57fbf522b8bb657e187cff89ff29cb875d7eac932a98d0e990
root 280749fdcf3f3b7bc3d87c904537025b7183558548068da62330a0f846fdc246