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 - QUEZON 3RD ED Award a ₱558.5K contract to RTY CONSTRUCTIONNational agencies

Transaction hash:

e5c4e5add2be11a79da8de138e858495a1596e74649f1ea25c137745f2c4cf31

Status:

Included and unchanged

Block:

#411 5,602 blocks after it

Position in block:

Transaction 25 of 33

Award day:

Aug 26, 2008 (18 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

To:

RTY CONSTRUCTION

Value:

₱558,498.31

Project:

Construction of One (1) CL School Building at Barangay Tagbacan Silangan Elementary School, Catanauan, Quezon, Quezon III

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

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 AND HIGHWAYS - QUEZON 3RD ED awarded it to RTY 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 e5c4e5add2…c4cf31now …
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 e5c4e5add2be11a79da8de138e858495a1596e74649f1ea25c137745f2c4cf31
01 L c1898cffd401188a45dd0823498bce66a3043f435183dca3232a2a93395dd40c
02 R 18c5caacc85bca886a3ae04b0228f8877059834cdcb5fe9fdca0334e40040e11
03 R 7caa740ea7e131de974cd93c2f6e85994b0348f9815d7d775e6321ecee92ba51
04 L e0c4e5be2a4c51e2c27056adcf8d8aa10e3b479703b1b4e01ada96643f089693
05 L 35d5812b44fb393e335ccd79dc740cc7e952475f0643aefeba719ee93f45ad9f
06 R 627afeaaaa2124c792c8ea2f83a594d77f7dac65cbb4e72c90dcc6dbe76828ba
root 7dd3e8fa80e1215d455fa1d1ca888083c40d114dede10d6182e24a15203eb0c1