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 - MM 2ND ED Award a ₱972.8K contract to MCB ZAMORA CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

98fbe0958c3caeaa2bfb373997c29a5fb6a65389c5a7c0634386baf42fa8abb8

Status:

Included and unchanged

Block:

#1,448 4,565 blocks after it

Position in block:

Transaction 24 of 46

Award day:

May 9, 2012 (14 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND ED

To:

MCB ZAMORA CONSTRUCTION & SUPPLY

Value:

₱972,800.40

Project:

Construction of Multi-Purpose Building UPS 5, Area 5 Barangay San Isidro, Parañaque City, Metro Manila

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND 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 #1,448 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 - MM 2ND ED awarded it to MCB ZAMORA CONSTRUCTION & SUPPLY on 2012-05-09.
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 98fbe0958c…a8abb8now …
2. Block Merkle root changed
stored 8127702a5c…5deeaanow …
3. Block #1448 hash changed
stored 38ab6a7ade…cd01eenow …

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

leaf 98fbe0958c3caeaa2bfb373997c29a5fb6a65389c5a7c0634386baf42fa8abb8
01 R 9c9e42f8324a5214f9ed32eccaaad752aa4b510c62b983eddba8c109dfe65a36
02 R 1edfde23554e200757c716524d2cf2348f456ce47d043a048ecc8115358e3fad
03 R 47032b13c7d7020cf698286c40780c4e503f2a19af9ac389b5c061933046398f
04 L f03776e42f1c2d6968dbcfb040626454cd608449561334371e0690368251b270
05 L b5fdd341f1a51ece54a0d71706a66a286236b652844911220bddfd5758a26399
06 R 52f7e4b31e679c4262a71878d4631550efb2675e9abb9d581984b3ecfa78ee59
root 8127702a5c40096c1892e618132534f8ec18ea04a86684296a09a7e6b55deeaa