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 - ALBAY 2ND DEO Award a ₱93.4M contract to MAKAPA CORPORATIONNational agencies

Transaction hash:

082185ea9ff214867f395020eab175b92ee08ae6832a0ef98ace2dc7baa733ad

Status:

Included and unchanged

Block:

#4,203 1,810 blocks after it

Position in block:

Transaction 8 of 325

Award day:

Aug 25, 2020 (6 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

To:

MAKAPA CORPORATION

Value:

₱93,357,867.00

Project:

Constructio of Budiao Flood Control System, Daraga

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 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 #4,203 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 2020 LP", i.e. the FY2020 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 - ALBAY 2ND DEO awarded it to MAKAPA CORPORATION on 2020-08-25.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20FB0103: On-Going, 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)
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

2 of 8 documents found, 1 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 082185ea9f…a733adnow …
2. Block Merkle root changed
stored ffde5f1ce9…313f20now …
3. Block #4203 hash changed
stored b8d0659a75…9c234enow …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 324 records. Each step hashes the current value together with the sibling shown.

leaf 082185ea9ff214867f395020eab175b92ee08ae6832a0ef98ace2dc7baa733ad
01 R 08d6f2057639e59b2c35b22b7ec84d45e2142dd3038b6fe172bd83cbb6e6652a
02 R 1b934af4c73b4f76abcd53cddb83bec15a875ee7766b269af90f6a03f3820b27
03 R 60c490c32d80fbefb464e996423df72e8696be37cdceffa90f58109c0333db81
04 L f985e369461345dfc3ae5cac4fa1f4debe711d8c9dfa8a0c9e3342f508d77003
05 R a08041ebbcd46fa1b3a2e341ce39af69de19248db68cec5b5c89a5298cb0d727
06 R 40cdfeb11de920d313fcb218e23086f799de5f6588bd27b30a866191592c98e7
07 R 202c304e215c01aa795ee9c6acb4ee7d6538ad625af642af718cf8675a9c0207
08 R 1b7e9d1535f999622d60a775f7f47e3dc703b968e16a6fe8fbc5dcb070f7b64c
09 R a0c99c7ad43fe52af8e822bcfa247ddde6b91f7786f1e8e28c2d30a24d53efba
root ffde5f1ce9fc9932103b9c0b0ac32571249a7826627bd80de20ee88925313f20