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 - DAVAO ORIENTAL 2ND Award a ₱4.9M contract to DREIRICH BUILDERSNational agencies

Transaction hash:

aa013e8dce4e0a6485e1bf557374ac7e78315f0db81aa6fa60f809691a00abdf

Status:

Included and unchanged

Block:

#5,101 912 blocks after it

Position in block:

Transaction 297 of 451

Award day:

Mar 23, 2023 (3 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO ORIENTAL 2ND

To:

DREIRICH BUILDERS

Value:

₱4,851,000.00

Project:

23LG0081

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO ORIENTAL 2ND

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 #5,101 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 2023 CSSP", i.e. the FY2023 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 - DAVAO ORIENTAL 2ND awarded it to DREIRICH BUILDERS on 2023-03-23.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 23LG0081: 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 aa013e8dce…00abdfnow …
2. Block Merkle root changed
stored 28f1dbcf3d…0d1f31now …
3. Block #5101 hash changed
stored d14a79c479…d41f27now …

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

leaf aa013e8dce4e0a6485e1bf557374ac7e78315f0db81aa6fa60f809691a00abdf
01 L a98a06c699717496387ede7bdaed9dcc7dd9e0a2cdfa3e241c33f0e2060543bb
02 R d3f7dad170c2681ed6a95a8881ec954fb0761f69f1e8c6c61e08774952dd6345
03 R de0734b0379bb4baf1b06de99e807dd4184eb189e2d98912d8ea370deaf15270
04 L 7c0bbe50c22b34e3ff45bd347357f964c93fe3ac6fd6d51373e991ad48548914
05 R 3368c46223d92c6aacf57c9ccb2b371c13bba8ecba1271983617e590094ae4ac
06 L 8d179a399791ea2d6cfe35a4629d2b6d8f27a4df37d10c8a35f5591f25bb9381
07 R 87b25dd4b6510f14ff889c2c8539c872372fd2f649304602a059202b6ae85b58
08 R b3133e53a4605b468e84a6dab3b5d289f171fb5c32440fe0fcfc6dd7a86bb002
09 L d8a7a0fdff2f3cf18c038e15711bcb35f6a31ec700464b81d3dbaab246b2428c
root 28f1dbcf3d9f68fbc34b358dae7c61a0be94a2deb38d61d4210e4a70930d1f31