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 ₱970.9K contract to L.R. DE GUZMAN CONSTRUCTIONProvinces

Transaction hash:

1fdc3ec6222c8a4ba5425fe293003e6f450b87bf5cf6ef2c6ab10a560fd19da9

Status:

Included and unchanged

Block:

#1,492 4,521 blocks after it

Position in block:

Transaction 14 of 102

Award day:

Jun 28, 2012 (14 yrs 4 mo ago)

From:

PROVINCE OF BATAAN

To:

L.R. DE GUZMAN CONSTRUCTION

Value:

₱970,936.55

Project:

Fabrication of Teacher's Table for Various School Provincewide

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 #1,492 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 2012-06-28.
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 1fdc3ec622…d19da9now …
2. Block Merkle root changed
stored 42f977a401…7af712now …
3. Block #1492 hash changed
stored 7521aacd5a…865cdenow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 101 records. Each step hashes the current value together with the sibling shown.

leaf 1fdc3ec6222c8a4ba5425fe293003e6f450b87bf5cf6ef2c6ab10a560fd19da9
01 R 20610b5ecbcb2a705867919e811e2311e71c41de41e27e7ef23cd83f8459aea2
02 L fa3a6059b54ffb78434debf7b19428df177fff604384c0a8fa42e0b495eab9a6
03 L 9417b74f2ed9395b736646e5e6fa539e2fbcf4ed6828d0db5c3a80308da2f6c4
04 L 87f50166264ddbe9c413dc1deb7fa6e21093f863d1a3ff24e5f75b09d31724d5
05 R 887c97b1949bf94450701b7cdf8c03f7490593411916642b07d499595a4022bf
06 R 1fac2e2058e605bc9a8dc361fd6f284088ff1fb98b9ef02e83ab23ac41e22fb7
07 R 956e99bf1560da2ddb92a37be1bf5f64df0283a6348470615382801444f7a531
root 42f977a4018dfa82d993e3627fc12da7166421ee814cdd873cf4912ce67af712