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

PROCUREMENT SERVICE Award a ₱4.1M contract to JTA BUILDERSNational agencies

Transaction hash:

ecdd448fc88c162d227a019f4520bb13d149187d90fd83c6a04f23d55873b40a

Status:

Included and unchanged

Block:

#2,029 3,984 blocks after it

Position in block:

Transaction 81 of 87

Award day:

Mar 20, 2014 (12 yrs 7 mo ago)

From:

PROCUREMENT SERVICE

To:

JTA BUILDERS

Value:

₱4,126,621.62

Project:

Construction of Taraka, Lanao del Sur Municipal

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROCUREMENT SERVICE

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 #2,029 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)
PROCUREMENT SERVICE awarded it to JTA BUILDERS on 2014-03-20.
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 ecdd448fc8…73b40anow …
2. Block Merkle root changed
stored 2d1232d1e5…834fa8now …
3. Block #2029 hash changed
stored 61d9e48852…4a80d3now …

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

leaf ecdd448fc88c162d227a019f4520bb13d149187d90fd83c6a04f23d55873b40a
01 L e9ecc8df2652959bb07ae4abe19411b489fa1619e3165de141bbb35b3cef17ed
02 R 9c45cd20b3c143d631beb0cd37f4850e948e33fdb05fd09f3b28369eae22c74d
03 R 34932e2330ae9f4914d9fe6daab00d04df5e59edca303f542f8735f82a72aada
04 R 2e5d2e09e67ca103a470223c711821f90578fa69a8690197a6a16b2f57b523b7
05 L 6a8e55ee625fd16049ec4cdd914ca65c365098cf2cb42d0fd7d930c3e4c647f4
06 R 7fb9f26c226885bf6d056139e669ffcb6fc7aee0566ad85932df1d61a580f24c
07 L 1650b041c0a6c0d76eef956c31a5d54602f6fab66ad9fbe7a6cf0d2a33f51d10
root 2d1232d1e54d94838cb16942a9a558fbbe78d90050da60efc341a44182834fa8