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 PUBLIC WORKS AND HIGHWAYS - SMMSED Award a ₱2.1M contract to RNN CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

5183bcd18f1018d96e3e7fa83157ee38a58b07bd2754aa80552503af42d4da72

Status:

Included and unchanged

Block:

#1,101 4,912 blocks after it

Position in block:

Transaction 12 of 36

Award day:

Mar 22, 2011 (15 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMMSED

To:

RNN CONSTRUCTION CORPORATION

Value:

₱2,073,491.63

Project:

Construction/Completion/Rehabilitation of flood Control Project, Poblacion River, Muntinlupa City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMMSED

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 #1,101 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 PUBLIC WORKS AND HIGHWAYS - SMMSED awarded it to RNN CONSTRUCTION CORPORATION on 2011-03-22.
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 5183bcd18f…d4da72now …
2. Block Merkle root changed
stored d39247c3a2…a21fe4now …
3. Block #1101 hash changed
stored 79300227e9…3555c2now …

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

leaf 5183bcd18f1018d96e3e7fa83157ee38a58b07bd2754aa80552503af42d4da72
01 R 5ca7d14beb74868f0b8646644d3d6d4f806886f25eefcc70e315b7daad4be40d
02 R a73c37de6d8df47db3bf7418f1ef8a667d99c0c78dfb2f63307dac775124ca76
03 L d354283dc30e2fd4b7d59ed30691eb23b762370e0fafe6e942c8a5ee2bc25faf
04 L 9b976c6f40ff16515bc97ea628477a7367571475dfe9fc49718d384459155574
05 R e7fae90a0159e15112c18d3f0de2caadd63177957089b3b6ed3bbae32626dba1
06 R 150abcf7578f72da3ca0b3c8ec4f86ac9ec58d0198d395b5b4a299b7f8f3b615
root d39247c3a2c98ea45b1a8940c2918a448bda95fa90c48ca4e5e7aec738a21fe4