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 ₱196.3K contract to LANUZO'S CONSTRUCTION AND SUPPLYCities

Transaction hash:

218a2ea8d439eda1a368c1ca8dd418f1666c3b3a0351f2d013cf0634cb929c31

Status:

Included and unchanged

Block:

#807 5,206 blocks after it

Position in block:

Transaction 5 of 59

Award day:

Feb 24, 2010 (16 yrs 8 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

LANUZO'S CONSTRUCTION AND SUPPLY

Value:

₱196,301.43

Project:

(small value procurement) furnishing of labor, materials and equipment for the Proposed Extension of Drainage System at Renilisan (Purok 6), Legazpi City

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 #807 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 LANUZO'S CONSTRUCTION AND SUPPLY on 2010-02-24.
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)
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 218a2ea8d4…929c31now …
2. Block Merkle root changed
stored f2dcd72706…2e99f8now …
3. Block #807 hash changed
stored 70d493e49a…48499bnow …

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

leaf 218a2ea8d439eda1a368c1ca8dd418f1666c3b3a0351f2d013cf0634cb929c31
01 L 1c3304c9a76b7811b9631441d60a9df54968dee615b55c2bd54abc6955535725
02 R 3f134fceb7458ef6d4728e41f7194b6c26394e89150e0d15a63ba818c588f2a6
03 L a63c6b8aad4d2e7cfb5ac12f2423a07cba24846bfba03a85f376a460dae06b50
04 R 5093972a40a5b8d7c0fc17be9f09daf479aaaa0f2c46c7c9fa5cfb7623d8f54e
05 R 20737998fc2215edf7fbf3872f3438cf54e9e674bf0540a4606b5b8d2e88c828
06 R 116bcbacf5df4f821864bf06517e971d5e08a968159160c9ce9cb82632202151
root f2dcd72706ce1d33f10277249e395e315786e6c518109e899540c2547d2e99f8