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 4TH ED Award a ₱2.5M contract to R.T.Y. CONSTRUCTIONNational agencies

Transaction hash:

10ef1d687df7acf5eb9bfaaeebb0888f5710ff7672fd58e0e90a6690717c6232

Status:

Included and unchanged

Block:

#1,272 4,741 blocks after it

Position in block:

Transaction 1 of 38

Award day:

Oct 20, 2011 (15 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH ED

To:

R.T.Y. CONSTRUCTION

Value:

₱2,521,968.64

Project:

Cluster II-Concreting/improvement of farm-to-market roads, repair/rehab. of bridges/const/improve. of multi-purpose pavement , Calauag, Guinayangan, Tagkawayan, Quezon & Perez

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH 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 #1,272 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 4TH ED awarded it to R.T.Y. CONSTRUCTION on 2011-10-20.
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 10ef1d687d…7c6232now …
2. Block Merkle root changed
stored dd251cc2b2…0396c8now …
3. Block #1272 hash changed
stored c77b9b90a0…967b3cnow …

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 10ef1d687df7acf5eb9bfaaeebb0888f5710ff7672fd58e0e90a6690717c6232
01 L 0bd32a0419f55c3c1e6a6567fa6c1e70a28fe187a2777d70ff0b64a110deb004
02 R 8eb123f4cac4bb02e070c6d3c077b8a4e16d23bd9daf64b5155d7b7c35a5896f
03 R 10939471f45b46e9662346eadab29e1c858ec5dae1d14a68eade98ea51ba46a7
04 R 437b2c61ac5c95372664b6d86ee114791f6f9e23d55e30aa4cbdd36adfbc1c23
05 R 9c1e91a5be6ec086cba0db186809c919a38af72210c0135676b5885c92b1725c
06 R 9365c532de758ba0ad65581aa6059106f6d2828e983e1406642844597fd575cd
root dd251cc2b262648c8f8361388f8f8a6e133a28d6ea730ae712b3c26bac0396c8