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 - ZDS 1ST DEO Award a ₱2.9M contract to A.M. TABAYAG BUILDERSNational agencies

Transaction hash:

910a2e4df2902a1292cc2f68ee73889637b80a3503af3f5ee052a8419063bd68

Status:

Included and unchanged

Block:

#2,074 3,939 blocks after it

Position in block:

Transaction 33 of 61

Award day:

May 13, 2014 (12 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZDS 1ST DEO

To:

A.M. TABAYAG BUILDERS

Value:

₱2,895,000.00

Project:

14JE0012

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZDS 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 #2,074 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 - ZDS 1ST DEO awarded it to A.M. TABAYAG BUILDERS on 2014-05-13.
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 910a2e4df2…63bd68now …
2. Block Merkle root changed
stored 0a5f2d2f37…854311now …
3. Block #2074 hash changed
stored 08941d729b…d08c1dnow …

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

leaf 910a2e4df2902a1292cc2f68ee73889637b80a3503af3f5ee052a8419063bd68
01 L 8e7a93976725497a7c5c895346e4e75b7c762bd1b89792aad34d981bddf3f65d
02 R 255f369921db80b45ab32cff207387571b23c10bdc1c5273069a996a35b55c8a
03 R c27728771b85453f356ca8255d0b3a72eb8fa35dee65f206c4725792a91647fb
04 R 6a620033cc572f112d15604963d70d5d1f2fc516d80ae9b908ac5d437d3d23b8
05 R 1bc2be5d05491f2f8d212ca8b7cf5022808fa679c2774a1549e76e83899d0ca2
06 L 26f37db5dc9f456025b83db7b531568b27669ff4b2638e9e3631411a39e898b5
root 0a5f2d2f3724d238732d09b71df98e7714c32c2ed3a2b3bf2171e4efd7854311