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 TRANSPORTATION AND COMMUNICATIONS - MAIN Award a ₱4.8M contract to C.C.M. CONSTRUCTIONNational agencies

Transaction hash:

25de2bc29fa0d65ee42ab58fbe9d089f093c77fd9fdefc38cc15766e39cced4b

Status:

Included and unchanged

Block:

#637 5,376 blocks after it

Position in block:

Transaction 0 of 21

Award day:

Jul 8, 2009 (17 yrs 4 mo ago)

From:

DEPARTMENT OF TRANSPORTATION AND COMMUNICATIONS - MAIN

To:

C.C.M. CONSTRUCTION

Value:

₱4,808,888.80

Project:

Tagbilaran Airport Cont. of Terminal Building Project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF TRANSPORTATION AND COMMUNICATIONS - MAIN

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 #637 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 TRANSPORTATION AND COMMUNICATIONS - MAIN awarded it to C.C.M. CONSTRUCTION on 2009-07-08.
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 25de2bc29f…cced4bnow …
2. Block Merkle root changed
stored fba660cdaf…6cd282now …
3. Block #637 hash changed
stored 8aabece2d5…f45d06now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 20 records. Each step hashes the current value together with the sibling shown.

leaf 25de2bc29fa0d65ee42ab58fbe9d089f093c77fd9fdefc38cc15766e39cced4b
01 R 36ce864ed3c1c4d569e9b12e192bbda3c7bb56ece3a3ece265b29896b8514ed6
02 R 485a2bca5acdc168f8b5d3819a56e25ea25a9f11ae50312dcf5ecb3068e32b46
03 R 9cfae3da1d83b4c7d06b885240ece4a986a9264be16df9f697f06ceb59670024
04 R cdb69e1d0419916d9c9ae69327fd1edc425509f4d43e639aa650f933db365c31
05 R edc086248f2d307e6072119cbc7589c38d400126e0a1d4994fe5764503ef4179
root fba660cdaf66a3da3acf4f8810751e91eff157c3b01a6ddc86bb463f716cd282