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 ₱385.4K contract to AMEG CONSTRUCTION AND SUPPLYCities

Transaction hash:

cf15f6a4ed3cdd5a67be14c87ba8505b1fd55ee7b006b61a2d61f19c988cff9e

Status:

Included and unchanged

Block:

#1,323 4,690 blocks after it

Position in block:

Transaction 55 of 63

Award day:

Dec 14, 2011 (14 yrs 11 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

AMEG CONSTRUCTION AND SUPPLY

Value:

₱385,445.04

Project:

furnishing of labor, materials and equipment for the Proposed Additional Street Lights at Break Water (Victory Village Road), 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 #1,323 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 2011-12-14.
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 cf15f6a4ed…8cff9enow …
2. Block Merkle root changed
stored c0f10405c7…67e26enow …
3. Block #1323 hash changed
stored 576fb51fec…4f9caanow …

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

leaf cf15f6a4ed3cdd5a67be14c87ba8505b1fd55ee7b006b61a2d61f19c988cff9e
01 L cdf895b64d0388b585df1ac07d9a5ce5c95facbf5a6de738234a431c5620212c
02 L 7043802c3f4ccf0b498594da9153705a4aa602dfc83a985084d36f27c4fbe7b2
03 L 15e451734f360a23b17fcec2c98543ca01a954643db04b5950d37d47bd01a510
04 R c29ccdc2e04e5b920ee043804ec4060c263ddcf573b654ba124e9cede5986f20
05 L f3934f10e9383047ed7b86990174b9b0d5e7430002363d58c5fc69a3db355aff
06 L 18984f943d98a732fee0e08b830ff3e3b0a5e152644c35401bddc1b309336fa7
root c0f10405c7142426cf402dee2558ac9ded42ae725adaed53de3599f98267e26e