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 ₱2.9M contract to RAMSA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

5c3ee7e018abbf7e4bb43dbd41666205c0eac65a2d3a7f9f752f32896a613a48

Status:

Included and unchanged

Block:

#1,452 4,561 blocks after it

Position in block:

Transaction 21 of 63

Award day:

May 14, 2012 (14 yrs 6 mo ago)

From:

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

To:

RAMSA CONSTRUCTION AND SUPPLY

Value:

₱2,948,407.78

Project:

Repair / Rehabilitation of Roads, Brgy. Pandayan, 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 #1,452 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 2012-05-14.
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 5c3ee7e018…613a48now …
2. Block Merkle root changed
stored 14210f7d8b…b0a16anow …
3. Block #1452 hash changed
stored 7fc05f7579…ab3845now …

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

leaf 5c3ee7e018abbf7e4bb43dbd41666205c0eac65a2d3a7f9f752f32896a613a48
01 L 5b5cf87784e386bf3aa7affd57416f21aa3068d59eddff604dfe535fbb854eab
02 R fbd851f9b0bb2795ba0c50d187832457d5afd3758beb40d7aa0e10b6d2b8703d
03 L a7bc8d875bc69ec787a0ba9c69f38316458a6298c40460cb2a2449a440ecbc52
04 R 0b3666c28e90a8ae147ad774e1592c2b2469a3b5704081a26f85118a8610fc3b
05 L 8996aff657044550d0b47674229daddd560e6484c2b89560e54954c318421ddd
06 R 7ee45009d3dba04a032ca2a9c4ef6a1e0ab7d9a3f3832efc0cb6dead67070d2f
root 14210f7d8bc88dc5fe05dc6cd02bd09c775984d3ee0dc53db357772390b0a16a