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 - ISABELA 3RD DEO Award a ₱3.0M contract to MAR-DEB CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

60cc2cd4f35abcd32df9674132398c4f9b787008c53b5fd65dca7e3e56c3d04b

Status:

Included and unchanged

Block:

#797 5,216 blocks after it

Position in block:

Transaction 14 of 32

Award day:

Feb 11, 2010 (16 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

MAR-DEB CONSTRUCTION AND DEVELOPMENT

Value:

₱3,032,141.08

Project:

Construction of Dioton Bridge (Phase III), Angadanan, Isabela

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD 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 #797 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 - ISABELA 3RD DEO awarded it to MAR-DEB CONSTRUCTION AND DEVELOPMENT on 2010-02-11.
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 60cc2cd4f3…c3d04bnow …
2. Block Merkle root changed
stored e71a264b84…b8cf68now …
3. Block #797 hash changed
stored f9ae3675f0…eb0738now …

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

leaf 60cc2cd4f35abcd32df9674132398c4f9b787008c53b5fd65dca7e3e56c3d04b
01 R 613e644a768d0bae903954460c4bc9b84e8ae7a35581df8b5f4905684e34086e
02 L 4de7d6031e5cf7451389f085bee2dd181c41b600610342c4a9a94854fa1cbd76
03 L ffff177113ae4371d8ab1d6efd106c017f207a3fe824a75141a4604fa10f2dd4
04 L 30f2af62ed499bf726d1a520fe51440094fb445565a49bfc5bb0e0cb967c7647
05 R 5d0ab316c5a127df1c864af07ac1afd9929d665418137c8f236073d67333872f
root e71a264b841f7198e37d52d5c6b928aba0c09718a3098a926303d1b526b8cf68