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 - BATANES DEO Award a ₱4.7M contract to REMAR CONSTRUCTIONNational agencies

Transaction hash:

a4016ebcd34ceaf11c8a250be77d70d4ac094a24a7835aaf38455aab95916ca3

Status:

Included and unchanged

Block:

#3,902 2,111 blocks after it

Position in block:

Transaction 122 of 211

Award day:

Oct 10, 2019 (7 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANES DEO

To:

REMAR CONSTRUCTION

Value:

₱4,662,822.65

Project:

19BA0056

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANES 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 #3,902 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 2019 DA FMR", 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 - BATANES DEO awarded it to REMAR CONSTRUCTION on 2019-10-10.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 19BA0056: 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 2020-03-01). 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 a4016ebcd3…916ca3now …
2. Block Merkle root changed
stored 98faaf1eb6…734069now …
3. Block #3902 hash changed
stored 85cb8ba3ce…c02249now …

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

leaf a4016ebcd34ceaf11c8a250be77d70d4ac094a24a7835aaf38455aab95916ca3
01 R a922c8f02df9393f43e58cd00804daeb5304d74629dfaaeb57072fda9f3aa9c9
02 L 8bbe5fc3bf4b0de6c170218c22a45cba9714918cb0353e81115c4164f68d8bd5
03 R 0d8c9eac461e8269349acc444130b1bfa39876797dabe1c1ba02fb79fb462d4c
04 L 4fe4e1324b89ae47defa6bfb3bf10454c33556cd47a0c506c7b9edafe5ad4586
05 L 2f2e09270a3c59eec5fe000b04c4fb6ea2a92eafe19e0e5f9015211669b2783b
06 L b436c906509fb712f38119d8c56ef7b6a1ff8d628d9a04aac0e1cd092236a01b
07 L 49f83be54360bb15864c00073f381539d83ba8fa3dfe8860d70209b07f2948bf
08 R ba89d83897bafb064c079cfa16136c75b5057b932ab7ffbc6fa79ac3ec6e4edb
root 98faaf1eb680faca58c5d881ccf18a289ba711e4fe64636814881f7400734069