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 VII Award a ₱6.7M contract to A. A. DE VERA CONSTRUCTIONNational agencies

Transaction hash:

9855949df53d7a7fb9ffc416b7d104109897911fe5ed966367dd78f2470e227b

Status:

Included and unchanged

Block:

#1,959 4,054 blocks after it

Position in block:

Transaction 27 of 41

Award day:

Dec 30, 2013 (12 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VII

To:

A. A. DE VERA CONSTRUCTION

Value:

₱6,730,000.00

Project:

13H00104

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VII

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 #1,959 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 VII awarded it to A. A. DE VERA CONSTRUCTION on 2013-12-30.
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 9855949df5…0e227bnow …
2. Block Merkle root changed
stored d7dac2b285…798ab9now …
3. Block #1959 hash changed
stored ae8a08d4d0…646c08now …

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

leaf 9855949df53d7a7fb9ffc416b7d104109897911fe5ed966367dd78f2470e227b
01 L 980a592bcdfecd0cb7a8a9b3a1610e4c1c98aa9a2ec34fa38ab2d1a368ac013c
02 L 0260f6a99935e9711d38346a62fde98da0aeeed068ad8521cf6c1874df527a5d
03 R 680905b0da01ce4d77f75f03051041cd26f3eb28fe5c1f6c7adad2b9743b20e6
04 L d25b0d910c50f92b6a4778ae97b91887d4ddae60fa64f9582746536642463959
05 L 3230d8c9b5c47bcd2ac608e868e3c907f9336c45e4cd1b68d5c4df4831ae06f4
06 R 83588252bafa97ea68ebd2bbbacb2356f36c515b0ac5f1380b368c6a3676342b
root d7dac2b2859f531018bb88cd246a6abba4f7c00de1b3d5852656e9bec5798ab9