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 & HIGHWAYS - QUEZON CITY 1ST DEO Award a ₱2.8M contract to E. MALAYA CONSTRUCTION AND GENERAL MERCHANDISENational agencies

Transaction hash:

5a715f4e2dda3533746aad964225fc338dacd143ea25b126bc3d56ac24274b3d

Status:

Included and unchanged

Block:

#1,169 4,844 blocks after it

Position in block:

Transaction 23 of 55

Award day:

Jun 17, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - QUEZON CITY 1ST DEO

To:

E. MALAYA CONSTRUCTION AND GENERAL MERCHANDISE

Value:

₱2,759,661.32

Project:

Rehab./Reconstruction/Upgrading of Tandang Sora Ave., Q.C. (K0012+668 – K0018+463)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - QUEZON CITY 1ST 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 #1,169 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 & HIGHWAYS - QUEZON CITY 1ST DEO awarded it to E. MALAYA CONSTRUCTION AND GENERAL MERCHANDISE on 2011-06-17.
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 5a715f4e2d…274b3dnow …
2. Block Merkle root changed
stored e63b321a7a…4f9434now …
3. Block #1169 hash changed
stored 7b9747dad8…cdd8e1now …

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

leaf 5a715f4e2dda3533746aad964225fc338dacd143ea25b126bc3d56ac24274b3d
01 L 5a4a735e57edca2147f72472f9a6174d1371de40058f9df62798897bee08b768
02 L 0218a2c4c57d5ad72fb32c8c318201f56d0db77ba097d5ae82c35b45ec2c2f5b
03 L 8be6870ebf9278d7265d6f3a4f8e8296e6335fcd599c7eef3e2d6d11f3c8be87
04 R cfcdcc91e2844c9425157f8d83d3d65e72b94af84ee62b1cca0ee1cb65c7af25
05 L c244202fa091eb8db3afb97599052bd2f999193c5097df0778b3b954656f3bee
06 R ae2c649cf99664e93c052c28a613b812a559bb0786f9d524a5832755b4a0ea78
root e63b321a7af707c1c802f2a4b3092cd7406f8bab64635342c8261448bd4f9434