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

DPWH - BATANGAS 1ST DISTRICT ENGINEERING OFFICE Award a ₱9.6M contract to 830 BUILDERS & DEVELOPERS CORP.National agencies

Transaction hash:

d9205b978df47ca2c66f8fdadb1428be2d007cecc082fc90e657028b5c734618

Status:

Included and unchanged

Block:

#5,266 747 blocks after it

Position in block:

Transaction 205 of 238

Award day:

Sep 7, 2023 (3 yrs 2 mo ago)

From:

DPWH - BATANGAS 1ST DISTRICT ENGINEERING OFFICE

To:

830 BUILDERS & DEVELOPERS CORP.

Value:

₱9,603,000.00

Project:

23DB0128 - Convergence and Special Support Program

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DPWH - BATANGAS 1ST DISTRICT ENGINEERING OFFICE

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 #5,266 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)
DPWH - BATANGAS 1ST DISTRICT ENGINEERING OFFICE awarded it to 830 BUILDERS & DEVELOPERS CORP. on 2023-09-07.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 23DB0128: 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 2024-02-08). 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 d9205b978d…734618now …
2. Block Merkle root changed
stored c3e83bbfbf…a1b457now …
3. Block #5266 hash changed
stored 0a4d6c50b3…fc2c61now …

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

leaf d9205b978df47ca2c66f8fdadb1428be2d007cecc082fc90e657028b5c734618
01 L d57b55bccbf87093935648b83caf891a94f33559b89c8fdf47fa5c3a68bdbf91
02 R ff9efa07ecdc3fe728ef3626db6b00078f474e842c45afd87915d268d5591c50
03 L 2698d9d5c094a6be88a7b6f3c51af1aa61c32c0cff7a42866dd1a6ffec3ed7f6
04 L 7528f7cbf0efc4b69bb322d4d9d5bfebbb4a17ab1891237dc4822e22aafe5f10
05 R d071f52ab1dc7e8afd192a9f842a7c6be8df781fd991e3c4c3040f355477fbd9
06 R ba0f2ad1738bc5694d8cba926d66a2cf77b8fc92ee3ff00f99046f726b5aadcc
07 L 90c67aaa943ac0d1bd2e311f85af9a15b553ca878c17cc335fa742146efdc5b4
08 L 029c089c6b0e7c93b2cf31b3bb46472709472614f989e639dbb1e206cda20b5e
root c3e83bbfbf4b61fdf504331b1e25b9a6059459c88fb1360c92024f6a90a1b457