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 - REGION VII Award a ₱61.6M contract to UY CONSTRUCTION & DEVELOPMENTNational agencies

Transaction hash:

f6feb2ab53bd976986d16ce8a18732cfb497152a5edc2060b1c2f8fcd6804282

Status:

Included and unchanged

Block:

#559 5,454 blocks after it

Position in block:

Transaction 78 of 82

Award day:

Mar 18, 2009 (17 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VII

To:

UY CONSTRUCTION & DEVELOPMENT

Value:

₱61,645,301.00

Project:

09H00013 - IMPROVEMENT OF DUMAGUETE SOUTH ROAD, NEGROS ORIENTAL

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VII

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 #559 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 - REGION VII awarded it to UY CONSTRUCTION & DEVELOPMENT on 2009-03-18.
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 f6feb2ab53…804282now …
2. Block Merkle root changed
stored 20a0ddd562…e262b4now …
3. Block #559 hash changed
stored 9794c4c4af…31ee95now …

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

leaf f6feb2ab53bd976986d16ce8a18732cfb497152a5edc2060b1c2f8fcd6804282
01 R f79898adda64dd84d380a7bd5f2c4d6e051421788aab532f140c25bf64b4b75b
02 L c04f69096c56c010b89acfefd7bc274f50f21c4b9c19b557b3a86b1303bc6f06
03 L 3cc05b4816c97da82a1897df228315c11581237f8476efb2bb083c0aa0675422
04 L e411839b9539a67c5125c9254100e6749fadd43e140ee9973ca3d681ebc019f3
05 R 8590a0d999cfd9a8979aa26398144450363d3e79147919f1201453e903e3795a
06 R 94d558272aeebd67d769fe625a5778b88cba81c781966af25f0abf71a1aeac0b
07 L e15e87df6e30c3ffce368da6c8fd9b0b8bf4a05475d6fb3a71aae03b0edf6704
root 20a0ddd5626c3d1dbc513fa9b3e26e10f19790e997ab8e72f219726edfe262b4