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 ₱14.9M contract to R.T.Y. CONSTRUCTIONNational agencies

Transaction hash:

d2a9bbd7879010cc6fa1c0bbd8bd4de1ec7e94cd85d5425fc6eecb69be3ca893

Status:

Included and unchanged

Block:

#1,085 4,928 blocks after it

Position in block:

Transaction 31 of 38

Award day:

Mar 1, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

To:

R.T.Y. CONSTRUCTION

Value:

₱14,909,900.08

Project:

Road Upgrading (Gtavel to Concrete) baes on Gravel Road Strategies, Traffic Benchmark for Upgrading to Pave Road Standard (HDM-4 Project Analysis) (MFO-2)Lopez-Catanauan Road , KO237+(-744)–KO237+003,

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 #1,085 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 R.T.Y. CONSTRUCTION on 2011-03-01.
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 d2a9bbd787…3ca893now …
2. Block Merkle root changed
stored d9f784fbfc…b10709now …
3. Block #1085 hash changed
stored 231bfceaba…74645cnow …

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

leaf d2a9bbd7879010cc6fa1c0bbd8bd4de1ec7e94cd85d5425fc6eecb69be3ca893
01 L d1596a716281d3d68d6b36c834f9d93a6820b0bf28d28197384e6f5a1c7c100f
02 L 9bad23ef0034ea35a43feba8a6358b6cf7674af20e1d9150f97fbc23b0e792c9
03 L a5140b6ec37d2593cadff7c5caeaa2998a8369eb2edfd2487615df74f264efbd
04 L 36ff4112fe547ca36daaffb5139dd0a3edacc7c923a978567ff9ba58535f2942
05 L ef0abc2dd332dc0287849fca2c27c0c3039d4715997a9557957a67d16fe34ab4
06 R b1a4a2ac71f21f9639ac3bdc2317a269c44b431290db132af56ac8c9d3011ec3
root d9f784fbfc20ac79c61a349f7910390acd3c2d67ac3fbfc82a90991662b10709