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 ₱495.1K contract to AMEG CONSTRUCTION AND SUPPLYCities

Transaction hash:

d6b652c59423bfb45bcc716e4020afc5b717fee05bd319d0e358059d8b087fb2

Status:

Included and unchanged

Block:

#1,463 4,550 blocks after it

Position in block:

Transaction 40 of 42

Award day:

May 25, 2012 (14 yrs 5 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

AMEG CONSTRUCTION AND SUPPLY

Value:

₱495,133.89

Project:

Furnishing of Labor, Materials and Equipment for the Repair/Improvement of School Facilities at Buyoan Elementary School, Buyoan, 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 #1,463 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 2012-05-25.
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 d6b652c594…087fb2now …
2. Block Merkle root changed
stored 4576cf7233…12eaa4now …
3. Block #1463 hash changed
stored 1cdc9dfa6d…372124now …

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

leaf d6b652c59423bfb45bcc716e4020afc5b717fee05bd319d0e358059d8b087fb2
01 R fac2a26c11a31e35f726cb5c1dcb505aed854ca5cb375373b13d59561814e2e5
02 R 24896fa01ac4d069ee13cbd223646d488f3a8fd57f44d2e14976068b560fc0b1
03 R 08e5edfdfb11517b87b654992921c8d3b7ff9d16c12df58596b594378f1f65d8
04 L 0c9b27ef077163fabdc61e8d551811111192a99c23957f04760712b2a5d6ff17
05 R cd26cd165c259034b160a7c7b5500e352d966b7b3cef8aeaf322ae099c1c3979
06 L 61378012fecf2af50be5edc4b07453119fe7fd643f062afb3210a1b0b0c20e94
root 4576cf7233fc6b3d1fa1e74412ac92b3337133ec3de2a669118a51e36912eaa4