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 - SDN 1ST DEO Award a ₱2.6M contract to MIGO CONSTRUCTIONNational agencies

Transaction hash:

620f7bc2531dd00a836c2a2ad8a4589aaaa9edc8d08b06e2f47d3bd87b08fe3b

Status:

Included and unchanged

Block:

#2,900 3,113 blocks after it

Position in block:

Transaction 66 of 170

Award day:

Nov 8, 2016 (10 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 1ST DEO

To:

MIGO CONSTRUCTION

Value:

₱2,565,796.37

Project:

16NF0105

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 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 #2,900 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 "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 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 - SDN 1ST DEO awarded it to MIGO CONSTRUCTION on 2016-11-08.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16NF0105: 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 2017-04-03). 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 620f7bc253…08fe3bnow …
2. Block Merkle root changed
stored 8b2d8994e4…96de01now …
3. Block #2900 hash changed
stored fa3be5ebeb…177f74now …

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

leaf 620f7bc2531dd00a836c2a2ad8a4589aaaa9edc8d08b06e2f47d3bd87b08fe3b
01 R 62617fc85942d99e00c858bc0ac71f80c41be89088c6be1d1706f7214a35137a
02 L f5f09a582d636c0fb8651eda4d8cbbba28e9f9752acc755575b79fc0bf978318
03 R 8a66645f71ae5d5a29a913b94fc37a21df3f4df44aa6545969789bea28f79305
04 R 32a74a80b4b203ca68edc127945a016d2a5e09b0d0077fd98963a076facbbc63
05 R ec3ad4072ed240f6a164a62a35993e8f05bc95f442443687ac8bd3235f52a896
06 R bde8febeae75a921b1492e0881177644e565564d762bbc999ab404b7e673c7ca
07 L 9756f5b76455ff57b597c290caa82d79defac058bbf8285913865e7546237949
08 R ff6e19569a953f90c6855b21254eccda89c2beb8220d98895dfd2948d6cfa4e6
root 8b2d8994e435718c61a0bf90dfaa398f05129b757d264d0ec9dacf10dc96de01