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 - APAYAO 2ND DEO Award a ₱4.7M contract to B.A. LAGAZO BUILDERSNational agencies

Transaction hash:

8f3437ae537fee3cd276d63c348ff470a175311cc47949229ada4d46d292b8eb

Status:

Included and unchanged

Block:

#2,129 3,884 blocks after it

Position in block:

Transaction 59 of 107

Award day:

Jul 16, 2014 (12 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - APAYAO 2ND DEO

To:

B.A. LAGAZO BUILDERS

Value:

₱4,685,201.30

Project:

Bridge Construction

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - APAYAO 2ND 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 #2,129 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 - APAYAO 2ND DEO awarded it to B.A. LAGAZO BUILDERS on 2014-07-16.
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 8f3437ae53…92b8ebnow …
2. Block Merkle root changed
stored 6a09e56389…f1acf1now …
3. Block #2129 hash changed
stored 1013145fba…72fc06now …

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

leaf 8f3437ae537fee3cd276d63c348ff470a175311cc47949229ada4d46d292b8eb
01 L 8c9cb764dca9c762d1c464c1ba77c7988a99f88530ec47909414fdf3df63e1aa
02 L d0884cafaf38a8794d6b8546e3e95c1af1b50ba0dca2ef2ed13d54a4e693c90a
03 R dfa03e3147e15bd01c1eaa3b6531623c30c7182d3261fec88500e6641e712f72
04 L 2777fc9054ed6bd2b87f658bcda35940906abf6e56767a38a4719cbe6591a01e
05 L af63d66791d8c03f17ea19612be614852c956dd3ce26dac3f8e7d8fe1e5a5632
06 L 31f1bc679448812138ef0c78d219c135cf32c37b9110594fb1698aba328f03db
07 R 245e1edce6494c98c0a5a9c851b5b22588935004bc544b53760f344ce884ec68
root 6a09e5638928cb2b9b7e0ab48810c2b4e3e5a47b01b8b6b540f70943f0f1acf1