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

METRO MANILA DEVELOPMENT AUTHORITY Award a ₱2.5M contract to RNN CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

af2ca0ec323c09bb44ed65e69d86690d00c4974539919d9c5c00eb3c1d3defae

Status:

Included and unchanged

Block:

#2,081 3,932 blocks after it

Position in block:

Transaction 37 of 59

Award day:

May 21, 2014 (12 yrs 5 mo ago)

From:

METRO MANILA DEVELOPMENT AUTHORITY

To:

RNN CONSTRUCTION CORPORATION

Value:

₱2,479,776.32

Project:

construction project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

METRO MANILA DEVELOPMENT AUTHORITY

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 #2,081 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)
METRO MANILA DEVELOPMENT AUTHORITY awarded it to RNN CONSTRUCTION CORPORATION on 2014-05-21.
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 af2ca0ec32…3defaenow …
2. Block Merkle root changed
stored 4812058c14…90420enow …
3. Block #2081 hash changed
stored fc5fb20128…438778now …

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

leaf af2ca0ec323c09bb44ed65e69d86690d00c4974539919d9c5c00eb3c1d3defae
01 L ad29af16bc12293dc4d1ef451ce17ee271edbd5fc64b0f71b0d805358baf80d9
02 R 581662d94ed7f5e1e3eae90f8d05f3de39d43098dd1efef682c7f233d9ed2160
03 L 517234e6885dacde822699b1f349ab2dc9724d27e6b6661fa2650e040ea59592
04 R 84da5a4ed4c7297bc1c6e935d2236e7a59ec87c048ee24f5465b1b2469ddb211
05 R 59d5c9389e2a8682df2895c2eef2226735acf2302e2326783f8dec8fc873eb96
06 L 8a1cd3d12c769afcc3f4330d6aa52c0af722df92c12980d75d5054318834a9bb
root 4812058c1423b91a2ee768cb71fc05a7c700f94b74102a73589cd3303190420e