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 - ILOCOS SUR 1ST DIS Award a ₱164.5K contract to RAMSA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

8fa8d6d66b192bdaa976c80ad70356eb5d37960af70194d8baee24bf9056b669

Status:

Included and unchanged

Block:

#1,545 4,468 blocks after it

Position in block:

Transaction 30 of 56

Award day:

Aug 30, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

To:

RAMSA CONSTRUCTION AND SUPPLY

Value:

₱164,517.40

Project:

Repair / Rehabilitation and Improvement of Stone Lined Canal Along Manila North Road, Km. 424+900-Km. 425+000, Bacsil, San Juan, Ilocos Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS

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 #1,545 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 - ILOCOS SUR 1ST DIS awarded it to RAMSA CONSTRUCTION AND SUPPLY on 2012-08-30.
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 8fa8d6d66b…56b669now …
2. Block Merkle root changed
stored 6ad5f8bb67…b4ed66now …
3. Block #1545 hash changed
stored e5df2df70c…d18399now …

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

leaf 8fa8d6d66b192bdaa976c80ad70356eb5d37960af70194d8baee24bf9056b669
01 R 94d238787a4681c53af509556cbbc9bad020894f979ab023105e310525ac82b2
02 L cc05bf29e7302d617b34ce08592ac8baef674ab257248a52879b1132b70cf097
03 L 242770ff1d25095b2515955ed225b95b7fe677fff09e94e5ac2e1f44869dd0a9
04 L a96d7f84fe3c91daec4d6df9ad11c7853a858fedcc4ba5c55053a7ceb9a063d6
05 L 78088b2d22d04fd29137f9a05a2d1d98fc18d92201a88f980852ba816019c4cf
06 R aa1b90b231530e28c041fedba34238c8c5e42d25a1d8a40c5d3ae0e6ca3405e2
root 6ad5f8bb67052629d16a8c4b99b7e20558ffad2819c5a5cde34a848925b4ed66