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 ₱946.4K contract to P.B. OBIAL CONSTRUCTIONNational agencies

Transaction hash:

c1161b4d76ef394fcabfe6ec1e0b538196001bc6ee8e9e98380d5a9bd5aa1fc4

Status:

Included and unchanged

Block:

#411 5,602 blocks after it

Position in block:

Transaction 23 of 33

Award day:

Aug 26, 2008 (18 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO

To:

P.B. OBIAL CONSTRUCTION

Value:

₱946,380.50

Project:

Cluster VI – Buildings a) Improvement of Multi–Purpose Building, Brgy. Budlaan, Cebu City and b) Improvement of Multi–Purpose Building, Brgy. Malubog, 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 #411 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 P.B. OBIAL CONSTRUCTION on 2008-08-26.
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 c1161b4d76…aa1fc4now …
2. Block Merkle root changed
stored 7dd3e8fa80…3eb0c1now …
3. Block #411 hash changed
stored 484c10faac…10b150now …

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

leaf c1161b4d76ef394fcabfe6ec1e0b538196001bc6ee8e9e98380d5a9bd5aa1fc4
01 L bd17585fa043d27c8a7730c60283ed1c01622ba1fcd057f0fdc59c9553824309
02 L acf9d6e3d2cdeaa2e626fe8f8de2b310919a93bb37f631ae34633b908a22561e
03 L c0d87cfebecaf2fa0b173a501ef535bb6ea78b81221a63822e140debcbf09faf
04 R bb103b3679773b40f883ad3db0711007831d4cd719356501a6390ea3ef07ff56
05 L 35d5812b44fb393e335ccd79dc740cc7e952475f0643aefeba719ee93f45ad9f
06 R 627afeaaaa2124c792c8ea2f83a594d77f7dac65cbb4e72c90dcc6dbe76828ba
root 7dd3e8fa80e1215d455fa1d1ca888083c40d114dede10d6182e24a15203eb0c1