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 - SORSOGON 1ST DEO Award a ₱11.6M contract to SIATING CONSTRUCTION & DEVELOPMENTNational agencies

Transaction hash:

b8a6e1b9bbafd594fc01c5cfdcb849d524bba83ef2cdafff45e35c17791c61ad

Status:

Included and unchanged

Block:

#3,916 2,097 blocks after it

Position in block:

Transaction 159 of 213

Award day:

Oct 24, 2019 (7 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SORSOGON 1ST DEO

To:

SIATING CONSTRUCTION & DEVELOPMENT

Value:

₱11,640,308.82

Project:

19FK0082

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SORSOGON 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 #3,916 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)
DPWH lists the funding source as "Regular Infra - GAA 2019 LP", i.e. the FY2019 GAA. The exact UACS line is not given.
Partly
Open
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 - SORSOGON 1ST DEO awarded it to SIATING CONSTRUCTION & DEVELOPMENT on 2019-10-24.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 19FK0082: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2020-08-06). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 b8a6e1b9bb…1c61adnow …
2. Block Merkle root changed
stored 93dc1d6c1e…62b6c0now …
3. Block #3916 hash changed
stored 764e6a0c5f…76290enow …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 212 records. Each step hashes the current value together with the sibling shown.

leaf b8a6e1b9bbafd594fc01c5cfdcb849d524bba83ef2cdafff45e35c17791c61ad
01 L b8a63bf7494bf6ae3bba45b7897ef975515d71a333e5d700c3339d38f8f59b43
02 L 98b965cb4e4a9d04bc6c0082976150ba04dcb34290de69f10b8b7b4b51ef28b1
03 L 62715c94c6dc64858fa1ed5cbd69b15cec86e3d29f11e48a9a172f72eeffca54
04 L abe3ca16ceb6c0be84dd449bb10c8163815e503976abe1bd919d3cedce658627
05 L a9e3c518a5e41143b9d489e94daf6fae1fd129115b588dc00c137baebf882999
06 R b572704273573f6562e841db6b62453e1e26132f042af800dcb72e27e488870d
07 R fac30ece5e38ebd5372c478c35641bf4fa0a6269fa423eebb11cb9e72bb13b5b
08 L 6a94476aa3c105824b5f74b0a5b4da90d759e3afc6cab2019e96cfe790dd3c7d
root 93dc1d6c1e58975cb536109afd1ed63383e4e1f4b824abcfde823088dc62b6c0