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

MUNICIPALITY OF CANAMAN, CAMARINES SUR Award a ₱977.5K contract to AB OPENA BUILDERSMunicipalities

Transaction hash:

f37b4fa5833cec65c652eb8633873a22461679da763202b7cdc5863ce16c585a

Status:

Included and unchanged

Block:

#1,610 4,403 blocks after it

Position in block:

Transaction 50 of 54

Award day:

Nov 13, 2012 (14 yrs ago)

From:

MUNICIPALITY OF CANAMAN, CAMARINES SUR

To:

AB OPENA BUILDERS

Value:

₱977,453.46

Project:

Improvement of School Facilities used as Evacuation Center & Construction of Open Drainage Canal

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

MUNICIPALITY OF CANAMAN, CAMARINES SUR

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 #1,610 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)
The award does not say which budget line pays for it.
Not published
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)
MUNICIPALITY OF CANAMAN, CAMARINES SUR awarded it to AB OPENA BUILDERS on 2012-11-13.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
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)
COA's CY2024 audit of Canaman gave a "qualified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 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 f37b4fa583…6c585anow …
2. Block Merkle root changed
stored 07961d1955…cb3174now …
3. Block #1610 hash changed
stored 1c2a4da27e…c08a86now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 53 records. Each step hashes the current value together with the sibling shown.

leaf f37b4fa5833cec65c652eb8633873a22461679da763202b7cdc5863ce16c585a
01 R f5102dc00e04690b1ac0a94c531302a455a6203ae5dabb938a4f47d789e1d7c8
02 L 778e9b6e8a2069d42440c66fe654e1ad55a21530f663a9698a2837b2383b0861
03 R f549c0e44455b0e2b8d1f3d526f6e62a9d068db17a86373bb78a45b74f23f106
04 R b655db7b40c3565109e4e469f16e69b459495420d7f0f0177373201a38a8c75a
05 L aeb127b5911b6f89ad56a56b244110001db41c5a68bc94bebd218c8716e6b929
06 L 9c384d972a3c2a9b59fc11bb89610fdc6831c0b1ec98f2c5ac82ad9eff0a9943
root 07961d19550a8a55ab38f775d7e2c32d81bef54d8bd9dc99f0901e9f21cb3174