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 ILOILO Award a ₱1.5M contract to CHEDMARYL CONSTRUCTION AND SUPPLIESCities

Transaction hash:

ec2fb720ab5a8e5584420793367df3cd206f3b300bf435f0b8e1a5c8a196b861

Status:

Included and unchanged

Block:

#1,597 4,416 blocks after it

Position in block:

Transaction 97 of 106

Award day:

Oct 29, 2012 (14 yrs ago)

From:

CITY OF ILOILO

To:

CHEDMARYL CONSTRUCTION AND SUPPLIES

Value:

₱1,499,120.22

Project:

Repair of 6 Academic Classrooms at Rizal Elementary School, Iloilo City (BID NO. 0409)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF ILOILO

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 #1,597 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 ILOILO awarded it to CHEDMARYL CONSTRUCTION AND SUPPLIES on 2012-10-29.
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)
COA's CY2024 audit of City of Iloilo gave a "unmodified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 ec2fb720ab…96b861now …
2. Block Merkle root changed
stored 5878ee3d8c…63abc4now …
3. Block #1597 hash changed
stored fc027df95b…4f8c34now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 105 records. Each step hashes the current value together with the sibling shown.

leaf ec2fb720ab5a8e5584420793367df3cd206f3b300bf435f0b8e1a5c8a196b861
01 L e8ca4238c6053a26c93628fa8e60a63f7ff02443ea21bdcd45caea255df5ade9
02 R 212fe210cdae2a4454b0046a310b7e896db975e009da5036ca26f7ee4c8fd4d8
03 R 4e4500c7dc3a4d4dbf19e7bece5063dda7d287b242f56f82384d4e9f1c45c7df
04 R 340eace5e05a68c4acf00e8c52cc05647b2bb64fd55824efa1230b7f7212fde8
05 R 1f84cb30380ab4347bfde5418c98c1bacc2da13f7979bccb0ed2b2fefc0e29e2
06 L 75414d37e61a8762047a9ff2743e088115c36b9958fb192edcb3641c4a45d72b
07 L 548635b622501d32ea650a9912e82284bee51c2506bc22ff4ad8ceff28cba8eb
root 5878ee3d8ce9a24f6b7a7f10ea584868b97c8dffa3c45c990ed7c91e3163abc4