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 - ZAMBALES 2ND DEO Award a ₱4.4M contract to REPOLMAN CONSTRUCTIONNational agencies

Transaction hash:

4261f82dd43409b2d7abedfe27afbfbc02c132d85c7381f0bd405cfe0eb43f8f

Status:

Included and unchanged

Block:

#1,962 4,051 blocks after it

Position in block:

Transaction 22 of 107

Award day:

Jan 2, 2014 (12 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND DEO

To:

REPOLMAN CONSTRUCTION

Value:

₱4,449,608.28

Project:

13CM0043 - Maint. of Existing Permanent Bridges

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND DEO

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 #1,962 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 - ZAMBALES 2ND DEO awarded it to REPOLMAN CONSTRUCTION on 2014-01-02.
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 4261f82dd4…b43f8fnow …
2. Block Merkle root changed
stored e9a38f97f1…c4c0b9now …
3. Block #1962 hash changed
stored 0012426abd…0481d7now …

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

leaf 4261f82dd43409b2d7abedfe27afbfbc02c132d85c7381f0bd405cfe0eb43f8f
01 R 4574ab6af5ce774a1010cae7e69227a799ceb49c1eefafd6c9114757d53437f4
02 L 091bfc27744d14ba799251e7b0c476fab2d37a0177bdfb94a9f1f4d0f43a4d5c
03 L 03a2c7ba30a98e77974d4c0446f8c0a5d3aaf4e7b5bb636edcb13410ede88701
04 R e4bc7bc5dc41adf1d7d20ac70501a4effe1ff8e945c5fc8cb8a7ea8fd55bc5a8
05 L f9cbe5730b4f32facbfd4d5a5b07ba584162432cf0c5dfffe85012d4e1abc538
06 R d4d652a029ef57847a0dfab79498fe627aa0ef931b4e15101fc169cb29cb7588
07 R 342d7a1ae2f236137cb0b5ba5920a15327775da8786ce438722f180a67aec2c5
root e9a38f97f1103079ba8460d094236aa97e2f7d214c3b7ef344d5a11915c4c0b9