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 ₱493.7K contract to AMEG CONSTRUCTION AND SUPPLYCities

Transaction hash:

9ee902c7cdd2ea153b58a9be7bd7b3c2333d01fa0b30548f250a926899d9ed73

Status:

Included and unchanged

Block:

#1,243 4,770 blocks after it

Position in block:

Transaction 22 of 38

Award day:

Sep 14, 2011 (15 yrs 1 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

AMEG CONSTRUCTION AND SUPPLY

Value:

₱493,731.27

Project:

furnishing of Labor, Materials and equipment for the Proposed Rehabilitation/improvement of Drainage System at Bitano, 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 #1,243 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 2011-09-14.
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 9ee902c7cd…d9ed73now …
2. Block Merkle root changed
stored a60f8f4735…527e3bnow …
3. Block #1243 hash changed
stored 85babdfa60…ca84e3now …

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

leaf 9ee902c7cdd2ea153b58a9be7bd7b3c2333d01fa0b30548f250a926899d9ed73
01 R a3048ec96d82f475782e80a11d8125a397acee5fbc23e599201ae65ddf8c74df
02 L 24ecadaf6843c6ea57464876a8ce3ebc9bf711091bc18405223d7b4cf41f368b
03 L 570245bbbff3b6c1adf8437c7285505b6f252f217c0a185b0762cacfd47fced5
04 R 2e90497e91d00003695ab452c493f19acd1d2bd1e140203e00a20489f22b220f
05 L cff120fdbedda2c5455d576dda4e1ecebef8be4670bdabf0dc3f940f0b3133a0
06 R b6446e8b2d7683587ef38313e5bfbb5a13e9c51a186e6d14b0c124c9adf972b4
root a60f8f4735a0d5947fb0d9751c97b91a2d725574eab591a78d6f11fa98527e3b