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 ₱17.0M contract to R+J BUILDERSNational agencies

Transaction hash:

74f35fb754e4a0328cf433da3aa635f38c3d37261086ea96a568d43c571ed71b

Status:

Included and unchanged

Block:

#1,767 4,246 blocks after it

Position in block:

Transaction 28 of 63

Award day:

May 30, 2013 (13 yrs 5 mo ago)

From:

PROCUREMENT SERVICE

To:

R+J BUILDERS

Value:

₱16,957,472.09

Project:

Renovation of Presidential Communication and Compu

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 #1,767 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 R+J BUILDERS on 2013-05-30.
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 74f35fb754…1ed71bnow …
2. Block Merkle root changed
stored 73fdc38e52…83c2cbnow …
3. Block #1767 hash changed
stored 068e5b2e14…c407cbnow …

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

leaf 74f35fb754e4a0328cf433da3aa635f38c3d37261086ea96a568d43c571ed71b
01 R 7cd01d5163087891d7372c5a057817920d56f8a342543c61f88ec2e88af9eb81
02 R d607ce033ac3e7c5b029540fe4a3b4914a08bd477f3d1815ee56fe4f35b4d5fd
03 L 7262cbd4b778c1c1a88a36e1dc97f774f691ce82890324e554c09974a4dc717a
04 L e55a4c83debf8419c3e41dbb7ef2a6e72de787a771bb0cbf3962490cbab39407
05 L dd5f8ca73e879d4944b8f1426389a57f043c8062052c578c43f7069f100f9e8a
06 R 7e1dd60cf2e482cb3b7a4c66a5122f047755661bb81de45894ae995a5da07c1a
root 73fdc38e52c8cb6071acd4caf3753321519c8a23feeed3f8ed7f87568383c2cb