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

DEPARTMENT OF EDUCATION - DIVISION OF ILOILO CITY Award a ₱3.6M contract to CHEDMARYL CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:

c2f367d74f0b40e4635e50152ba6cd9f6a210b6994afce383c0c0ddac5160fc0

Status:

Included and unchanged

Block:

#1,186 4,827 blocks after it

Position in block:

Transaction 23 of 35

Award day:

Jul 8, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF ILOILO CITY

To:

CHEDMARYL CONSTRUCTION AND SUPPLIES

Value:

₱3,615,113.91

Project:

Construction of school Building (Iloilo City National High School)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF ILOILO CITY

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 #1,186 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)
DEPARTMENT OF EDUCATION - DIVISION OF ILOILO CITY awarded it to CHEDMARYL CONSTRUCTION AND SUPPLIES on 2011-07-08.
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 c2f367d74f…160fc0now …
2. Block Merkle root changed
stored cee92e153e…01ac2enow …
3. Block #1186 hash changed
stored 87cdd31248…a84bf4now …

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

leaf c2f367d74f0b40e4635e50152ba6cd9f6a210b6994afce383c0c0ddac5160fc0
01 L c1f12b4d2b57dc7e104731e8ab8cd426b0c9016b2678d53bbe540050d37f66d7
02 L dfac58e74e144d2bcc3e25ec7c2a5b4bf631d0daf5349829058e262384f03c0a
03 L 8c02f9ed124343955092ca72c805ffce361cbb2e3162bb7962b0ec780050387c
04 R 8fbc94f7e57a6ee7dec1fb1f01f8698d3c8a88e0d5591d651cd812afc76ef894
05 L 497eca44b55e50489f4771d360972185da5f2b430ee53e1972d3d0d96a5ba3ac
06 R 977edf634824ee810f4968f6f17655b3a1ec8507dde1f422fb149bbaf31b8db2
root cee92e153eb5a1e99e8a2609b9979ebf3aafca5a395ae02e355637a3cf01ac2e