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:

1e449e2bfbe35954ff50a45be3468e6d293a9513d97d0080c72c97c0de0066f6

Status:

Included and unchanged

Block:

#2,029 3,984 blocks after it

Position in block:

Transaction 8 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 Datu Hoffer Ampatuan , Maguindanao

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 1e449e2bfb…0066f6now …
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 1e449e2bfbe35954ff50a45be3468e6d293a9513d97d0080c72c97c0de0066f6
01 R 1fd3b55c0262c314fe3b1c4ee869f1ab6e61d64979a4465201de4963846598e3
02 R cf77a62cd52f4cc3ae51a195a9e996b2e68ff39d4e610ed662d7e5638534ab6e
03 R 0fe16c701286a0989f53cb185ddf2e3f84981660e691d8fb8606b85750261baa
04 L 40536f7ea0ac0d02935b8b4d204bddb1702e8af50d31ee21a269707d70d5a11f
05 R e1aa37c81b4ebd11d8532c94958f23495b59850055f55cb8549ef3868007d036
06 R f999cd0b6821fc7f4d63b8d5eb2997350dd0c00f2a3ee380817af6d2e6cc3422
07 R acfd86e2fb170e0ba53234cd4d36135b61a03e6eaf9473ccc7de391f53b41187
root 2d1232d1e54d94838cb16942a9a558fbbe78d90050da60efc341a44182834fa8