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

PROVINCE OF RIZAL Award a ₱995.6K contract to AARCON BUILDERSProvinces

Transaction hash:

9af72a5c5f337c3bde2e2eef2e897ea55e60556f0f8ea003437d6dc2b1eb0e97

Status:

Included and unchanged

Block:

#570 5,443 blocks after it

Position in block:

Transaction 19 of 37

Award day:

Apr 2, 2009 (17 yrs 7 mo ago)

From:

PROVINCE OF RIZAL

To:

AARCON BUILDERS

Value:

₱995,641.56

Project:

Impr./Conc. (portion) of Patiis Road at Brgy. Malanday, San Mateo, Rizal

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF RIZAL

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 #570 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)
PROVINCE OF RIZAL awarded it to AARCON BUILDERS on 2009-04-02.
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 Rizal gave a "not stated" 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 9af72a5c5f…eb0e97now …
2. Block Merkle root changed
stored 1bfb594ea7…624837now …
3. Block #570 hash changed
stored da3b2833cd…8bb4d9now …

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

leaf 9af72a5c5f337c3bde2e2eef2e897ea55e60556f0f8ea003437d6dc2b1eb0e97
01 L 99334bab6b171ea7bc13549e43b7bb3a82f1187c28581d39d7be211a4b44d42a
02 L 290fb5a94b2fab0e42926da94479f081a7d94f614e803027864f45600fcbbe07
03 R 0b5335a96a48e15e47e20ce63ad1cfbcba63b64b82d6f65778b0a6ac4ece82f7
04 R 0ddc82f8b582f9672d0bb52679e3f102ae4a6a08bf64628396ef9fad062f8ba1
05 L a6c056d40637d07b5d488c6f7024b798736b7e61e2ed3118f22399a7942eeb86
06 R b34c16f375c8511aaefa517a9bd02a8ece3bb757bfa4c4c06f7e8e562dedefcb
root 1bfb594ea787078e2cb3bae1c323a8d0b0d21d0b73d803fd2f29f57693624837