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 XI Award a ₱8.2M contract to O.G. SANTOS CONSTRUCTIONNational agencies

Transaction hash:

30f2dd07eaa9fd98391ee6bebddcd7418e78e133dcdaaf3dd6af5d24af0e4372

Status:

Included and unchanged

Block:

#1,584 4,429 blocks after it

Position in block:

Transaction 6 of 61

Award day:

Oct 12, 2012 (14 yrs 1 mo ago)

From:

NATIONAL IRRIGATION ADMINISTRATION - REGION XI

To:

O.G. SANTOS CONSTRUCTION

Value:

₱8,221,941.16

Project:

Invitation to Bid

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL IRRIGATION ADMINISTRATION - REGION XI

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 #1,584 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 XI awarded it to O.G. SANTOS CONSTRUCTION on 2012-10-12.
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 30f2dd07ea…0e4372now …
2. Block Merkle root changed
stored 441da0a95f…2dfc11now …
3. Block #1584 hash changed
stored 658802159a…8d8865now …

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

leaf 30f2dd07eaa9fd98391ee6bebddcd7418e78e133dcdaaf3dd6af5d24af0e4372
01 R 32224762ef05f44d8a48d704e297086aaf131153be5a4af14d0e9d1585ef12f0
02 L 4a755c8c9f5056684ad95f6f0f1fbb236868e349c473f01fc52872b5fe79bc37
03 L 9be06dcfdbc13158bbff7e4049c137fdc697d3b7fcb7fce91a4210a3ec110df6
04 R 5dbba863198fa5a9e85e96c42b876a10eec528384f80dacc148105a6bc8dd640
05 R 6b1b44fa494518e84c910a9ad7671d7d717f47198cf850877cdeafc7dc0e48e1
06 R bede2aa6ccc324b81ff17d8b38984d2a0556cbc4e02bc8669cd7c2bdd648b921
root 441da0a95f872314368611c8fecb30bcd87195f39241c39092fd12fd312dfc11