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 - ALBAY 2ND DEO Award a ₱1.9M contract to ZYNA CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

8bb3189e2469366cbc8b53dc90417a86e808afefb74c0614328ec885beb224e8

Status:

Included and unchanged

Block:

#1,779 4,234 blocks after it

Position in block:

Transaction 55 of 106

Award day:

Jun 17, 2013 (13 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

To:

ZYNA CONSTRUCTION AND DEVELOPMENT

Value:

₱1,939,772.80

Project:

Const./Conc.of Roads, Brgy.Batan, Rapu Rapu, Albay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 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 #1,779 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 - ALBAY 2ND DEO awarded it to ZYNA CONSTRUCTION AND DEVELOPMENT on 2013-06-17.
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 8bb3189e24…b224e8now …
2. Block Merkle root changed
stored 6ffca533f4…f4a22bnow …
3. Block #1779 hash changed
stored 920e3e4669…84fcfdnow …

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

leaf 8bb3189e2469366cbc8b53dc90417a86e808afefb74c0614328ec885beb224e8
01 L 858fecab8fe35b8a4f20e467d72a39e54f6f87422857292cca18fe576b0c0e47
02 L 5da58cfc44382f482865e1ee1e8b2a0e5fb1745e9853b189de8212c17776d311
03 L 9e1e859cced7a73f68b06b5cd7e4404bd0500f961e073b8a8554c942d0b1fa84
04 R 82529acfd8ba172ed9efdc21d3c1b8a58ba1d874ba817ba9fc9a5a78f5fa8a54
05 L 79e44f4637c0bd813f660fc8a24c5f456dd4ca1524eb0e500a0e9038894ebffe
06 L 0a0d3359c16e1a4f38c1816bd09e508e83d204b5295f90e59b45664a2f275d3f
07 R 179b554e0fbbc4cc77e115cf4cec12527cbe86a7a283e4ee4662e724adcce24f
root 6ffca533f4775dcdcf049320d422d08a604b190eb3a854293d072690a9f4a22b