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 -CAMARINES SUR 5TH D Award a ₱40.0M contract to R.D. MANDANAS CONSTRUCTIONNational agencies

Transaction hash:

c9d2becbb95e27d00a0e6627854b1e4f1689c69959a111511482800e8ffbe2bb

Status:

Included and unchanged

Block:

#2,839 3,174 blocks after it

Position in block:

Transaction 90 of 113

Award day:

Sep 1, 2016 (10 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS -CAMARINES SUR 5TH D

To:

R.D. MANDANAS CONSTRUCTION

Value:

₱39,971,580.88

Project:

Construction Projects

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS -CAMARINES SUR 5TH D

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 #2,839 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 "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 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 -CAMARINES SUR 5TH D awarded it to R.D. MANDANAS CONSTRUCTION on 2016-09-01.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16FN0054: 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 2017-03-06). 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 c9d2becbb9…fbe2bbnow …
2. Block Merkle root changed
stored 42f0196417…adc5f2now …
3. Block #2839 hash changed
stored 98f1c0f168…471535now …

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

leaf c9d2becbb95e27d00a0e6627854b1e4f1689c69959a111511482800e8ffbe2bb
01 R ced945360ba662fd50be19bd1cf362c3ae7fca0fa5349d23c60fd79b5b798b47
02 L bf333386e4d20f8d9a853e2b2904a60821116765f26c286619308b8c3763a53e
03 R 7d472611972c42c47c3054e9d4605888008c6415b23ff749d68cd9c81b2953eb
04 L 7eb4f0a8f67a8393bc3fefe8753a52b1ff794527472836ed753813cf05d1da1a
05 L 874e986e1afc6d19c4c2fa7b8a68323ba40455d337899649f70d12b10dd9098b
06 R cde5d1bb9a2aa54e6b73fefd8f60946321a4d505fad946caaa672a4563b9a968
07 L 4db9583930b50de02359f3c78968c51f3c0b4402a711b49f991e75507277ae7d
root 42f0196417650a0080d0efd21179dc0cb0752e1c620b831ddd2a837f27adc5f2