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 EDUCATION - DIVISION OF ILOCOS SUR Award a ₱1.2M contract to MBB CONSTRUCTIONNational agencies

Transaction hash:

a513945ad165dd5abe1bdc19d73da405e1d2ecd454eecaa13b552f9a3ecb8354

Status:

Included and unchanged

Block:

#1,371 4,642 blocks after it

Position in block:

Transaction 33 of 57

Award day:

Feb 6, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF ILOCOS SUR

To:

MBB CONSTRUCTION

Value:

₱1,219,482.25

Project:

4 Elem. Schools

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF ILOCOS SUR

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 #1,371 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 EDUCATION - DIVISION OF ILOCOS SUR awarded it to MBB CONSTRUCTION on 2012-02-06.
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 a513945ad1…cb8354now …
2. Block Merkle root changed
stored 48a84f52f1…5fd158now …
3. Block #1371 hash changed
stored 9de7d7046e…fdb087now …

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

leaf a513945ad165dd5abe1bdc19d73da405e1d2ecd454eecaa13b552f9a3ecb8354
01 L 96c122ffb24f5acedc6452e9ea8358786d000aa122ed0078efc53ae8b4db5237
02 R 523d618dd6e3d0242436cb6cb4dbec9b03e2c197cdd169f9bbdfefd62950dc76
03 R efc9affd03a8db337dc46f0c5f5a9db467a9cf95177b01518fcb34f8be9cb5d3
04 R f285617fac1be139f4086629942c214a14b6e3abd24053cd139764bfa4ef8830
05 R a4921e9104f50ca779d202947c90ac09380df793b36096544e26a995eb1d526e
06 L 694f8aa3dbb6aa4766f6a599e87b06773e99dd434a4f4c4dd67c3e7fedc278e1
root 48a84f52f152a8a25cb3809db218d6dccaf402907c7539077b34524c515fd158