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 HIGHWAYS - CEBU CITY DEO Award a ₱5.0M contract to WORLDWIDE BUILDERSNational agencies

Transaction hash:

cde6bf1996b982f0617acfbb115e5ae74821214c630504e1768cda0542b59b52

Status:

Included and unchanged

Block:

#701 5,312 blocks after it

Position in block:

Transaction 19 of 23

Award day:

Oct 2, 2009 (17 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO

To:

WORLDWIDE BUILDERS

Value:

₱4,995,000.00

Project:

Construction/Repair/Rehabilitation of Classrooms/School Buildings Opra Elementary School, Cebu City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY 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 #701 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 HIGHWAYS - CEBU CITY DEO awarded it to WORLDWIDE BUILDERS on 2009-10-02.
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 cde6bf1996…b59b52now …
2. Block Merkle root changed
stored d7891223f8…c0703dnow …
3. Block #701 hash changed
stored 25701985ff…33f092now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 22 records. Each step hashes the current value together with the sibling shown.

leaf cde6bf1996b982f0617acfbb115e5ae74821214c630504e1768cda0542b59b52
01 L b1c8b7531bf8cb8ee181b73f5bd5d934a166aa73cf63f9b98935ec8741bcd255
02 L b74821747fa0d4c3e2386a32bba55ef6c4dee4c4f4edffe95836b659131a5ab0
03 R 126d0bdbe3c1d01e1b870ff75807fd415f953a603e49beaf16ecde6928f42936
04 R 56d9ed9057b97f46dbc4c2a8cc29936133e5139fd689a7e0e5458a451bf8130a
05 L 1e2e506bc56cbaa2fc03adcd3bdaa72a8467767c8fc1af1d6e6b645fb8917a25
root d7891223f820bed14a1e5b15a2367e790315e385eb3112789982665a41c0703d