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

PROVINCE OF BATAAN Award a ₱805.1K contract to L.R. DE GUZMAN CONSTRUCTIONProvinces

Transaction hash:

70c5fc9806c40effe80da9e4ec233565fa876e02b85cb12e9c3b2d91169f3a7d

Status:

Included and unchanged

Block:

#1,304 4,709 blocks after it

Position in block:

Transaction 14 of 35

Award day:

Nov 24, 2011 (14 yrs 11 mo ago)

From:

PROVINCE OF BATAAN

To:

L.R. DE GUZMAN CONSTRUCTION

Value:

₱805,113.40

Project:

Construction of One (1) Classrroom Scholl Building Pablo Roman NHS Barangay Panilao, Pilar Bataan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF BATAAN

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 #1,304 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)
PROVINCE OF BATAAN awarded it to L.R. DE GUZMAN CONSTRUCTION on 2011-11-24.
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)
COA's CY2024 audit of Bataan gave a "qualified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 70c5fc9806…9f3a7dnow …
2. Block Merkle root changed
stored 44d5f1f2d7…072287now …
3. Block #1304 hash changed
stored 91b4363576…25686enow …

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

leaf 70c5fc9806c40effe80da9e4ec233565fa876e02b85cb12e9c3b2d91169f3a7d
01 R 72fd7124073899c064008a763e2dd3d96abe96086a665ba4f198fe5916d2107f
02 L 19a43b22056adf894c92c9d3273de95d8cc8a9c8c06021c2d57d7e91e5201837
03 L 8f89b795ddfe9f93a721a63312cf5560e4a916d8c5d9814378e83c25445a4c70
04 L 85f47e397ca17afef637e3c8d5d3c38775611ac6472c4fa4604ec5720a68ee0b
05 R 47d543bd9963eebe4de88a079ea821929f4d79355c5f6b5d28c96e89914c06f9
06 R fb28cf60cd493239042a53572baed70db9e11fca14ca5fe00e87619ca8653b1e
root 44d5f1f2d776fedb9e0218c2bca94460fa76f7e38cde9aad1ff6c199d6072287