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

CITY OF LEGASPI, ALBAY Award a ₱160.8K contract to AMEG CONSTRUCTION AND SUPPLYCities

Transaction hash:

be8fd4bb0b2b3c74a66a28bc14b0ef5b8e4f8af4b34f8e1a6d9a3b1b09e6e959

Status:

Included and unchanged

Block:

#69 5,944 blocks after it

Position in block:

Transaction 2 of 5

Award day:

Mar 7, 2007 (19 yrs 8 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

AMEG CONSTRUCTION AND SUPPLY

Value:

₱160,809.50

Project:

furnishing of labor, materials and equipment for the restoration of damaged road section at Buyoan Barangay Road, Buyoan, Legazpi CityA

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF LEGASPI, ALBAY

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 #69 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)
CITY OF LEGASPI, ALBAY awarded it to AMEG CONSTRUCTION AND SUPPLY on 2007-03-07.
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 be8fd4bb0b…e6e959now …
2. Block Merkle root changed
stored e92e3e12d1…ea2f84now …
3. Block #69 hash changed
stored bbec699e06…01925cnow …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 4 records. Each step hashes the current value together with the sibling shown.

leaf be8fd4bb0b2b3c74a66a28bc14b0ef5b8e4f8af4b34f8e1a6d9a3b1b09e6e959
01 R d666082a0e550f4b3d77d8ceee3e2a90f7e3d9046c79a8a650e28517d42297a0
02 L f1f40e5dd2ee8f52287583769fa30444e587320b620cb2e20c43fd75c9682550
03 R 482f4660f82121b6f9dc6d173c1cc5862a8f0e47597061eee8686bd5d71d0c64
root e92e3e12d12333be409a1ff34d22fc5a581428503278d8f388a58dddc7ea2f84