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 - SURIGAO DEL NORTE Award a ₱2.0M contract to R.L. CARABUENA CONSTRUCTIONNational agencies

Transaction hash:

50c8ce0cd17c959c8b6dd0ce3f53dcb1b26eda93c3df2a96416e8734a436aaf8

Status:

Included and unchanged

Block:

#4,217 1,796 blocks after it

Position in block:

Transaction 36 of 118

Award day:

Sep 8, 2020 (6 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL NORTE

To:

R.L. CARABUENA CONSTRUCTION

Value:

₱1,977,350.16

Project:

20NF0055 CONSTRUCTION OF BARANGAY ROAD, BARANGAY

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL NORTE

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 #4,217 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)
DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.
Partly
Open
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 - SURIGAO DEL NORTE awarded it to R.L. CARABUENA CONSTRUCTION on 2020-09-08.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20NF0055: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2021-01-02). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 50c8ce0cd1…36aaf8now …
2. Block Merkle root changed
stored 9e08d35052…18882dnow …
3. Block #4217 hash changed
stored c1d1fe5f07…00a973now …

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

leaf 50c8ce0cd17c959c8b6dd0ce3f53dcb1b26eda93c3df2a96416e8734a436aaf8
01 R 51afdee4a46de6f19e8240665f582a46b5590f64fe8a9f8395f3e10f2007cc9a
02 R 39f450fe673fce0737ef0f2460501939e3acbed69296f33aa063e18b340233d1
03 L dc59bb03bf45acd18bf6c68eb7468404575def70d7054197a16d9cfefe7910d2
04 R 4922aa0e0ca5f503f5dbd0f336ba72ccd6d707e7bf098c07dc9399d2bf676086
05 R a6d43076e497f710666dfa0e1fa052b513c7a05fc372100548e69145d643bbf8
06 L 708e083123b869f0a26aadf2929442fac4b78c433db0bab7fbc831374cd07d62
07 R 154b4181652668e3bf4269c04ad11f5874d4cc141fdb335e830b29b8067715eb
root 9e08d3505289562a5add8a54fc69105d6be0a8e89304d798f4bb3714de18882d