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 - REGION X Award a ₱5.0M contract to ALFAHAD BUILDERS AND ENTERPRISESNational agencies

Transaction hash:

b0bf1d26abb992ec036155ef9bd1eaee56dedcf70814181f35bfc5b27f44a3da

Status:

Included and unchanged

Block:

#4,270 1,743 blocks after it

Position in block:

Transaction 72 of 102

Award day:

Nov 4, 2020 (6 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION X

To:

ALFAHAD BUILDERS AND ENTERPRISES

Value:

₱4,967,210.63

Project:

20K00358

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION X

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 #4,270 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 - REGION X awarded it to ALFAHAD BUILDERS AND ENTERPRISES on 2020-11-04.
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 b0bf1d26ab…44a3danow …
2. Block Merkle root changed
stored b7ddfc5851…8cf54fnow …
3. Block #4270 hash changed
stored cc3c0a68be…69d9f2now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 101 records. Each step hashes the current value together with the sibling shown.

leaf b0bf1d26abb992ec036155ef9bd1eaee56dedcf70814181f35bfc5b27f44a3da
01 R b0c9bf6bfd7f0451b0dc48baf030ca3a0f591f6fe9c302afe3abde567827c1c6
02 R 77d247c5745081e66d11e95ddc5839b955b4fe3068231d99bae14aac3b444a05
03 R eb451d3e28cb36432ba92778d47762ce919b9606d379c059dba8b4c348b9ba0f
04 L 3d644598ec51f6d3859f3dd0f788975326ba96a94ce2383f85ae49c1d035a921
05 R cec4c5dad92899247d295527510064b371c67d73e0720b7898530d89049465dd
06 R ab614ed827c8c35833db73e08fcfd46660dd0e3b279598ea0474feb544296b47
07 L d087e894d0bf86e1bcf0248a5e75972bd36fc7ece9d341f17f8723d7f59cfe6b
root b7ddfc5851274e20282f902550435109a451c49648a78b269d87c407cf8cf54f