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 TUBAO, LA UNION Award a ₱194.4K contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities

Transaction hash:

e902ee14f60be8dd1def22bccde8b0d9c122c5edcdf6ca40c4e6195d09859461

Status:

Included and unchanged

Block:

#1,311 4,702 blocks after it

Position in block:

Transaction 40 of 47

Award day:

Dec 2, 2011 (14 yrs 11 mo ago)

From:

MUNICIPALITY OF TUBAO, LA UNION

To:

ARM ASIA CONSTRUCTION & ENGINEERING

Value:

₱194,404.22

Project:

Concreting of Brgy. Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

MUNICIPALITY OF TUBAO, LA UNION

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 #1,311 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 TUBAO, LA UNION awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2011-12-02.
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 Tubao 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 e902ee14f6…859461now …
2. Block Merkle root changed
stored bef3c14201…3b40c9now …
3. Block #1311 hash changed
stored fde039ed6c…658414now …

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

leaf e902ee14f60be8dd1def22bccde8b0d9c122c5edcdf6ca40c4e6195d09859461
01 R eafdab0e5f590440f656133df42d618940e2a684527cea9990599e8aa820d765
02 R e5b3c6de0e793b65b75d104a81a93a738190c8db71abe931d30b91fca13889b0
03 R b52ac730349c1e181c048776f95e81cc9bc2c0dfd31ce48e5a0fd7cce749e303
04 L f2599f9f07a3024db6bacb5561b3e662b51b03f190f57ee605ab3fc81c240e7e
05 R 4b07c37013bf91a7b9d8d16df15a9eabe179fa7e445671bf87e574aa92494be1
06 L fb028274820a30298f5a51172651b8c8725dd0c768b6fd3775c8dd55ab2d380b
root bef3c142018ac64686797eea391d720ad5739146772ed1555fd3c5332d3b40c9