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 CAGAYAN Award a ₱487.2K contract to AMAD CONSTRUCTION SERVICES AND SUPPLYProvinces

Transaction hash:

a35b9761f99b85dba4d8da3f3418ff9a3b123a59f113dc96a521ff14ef55397c

Status:

Included and unchanged

Block:

#4,199 1,814 blocks after it

Position in block:

Transaction 31 of 52

Award day:

Aug 21, 2020 (6 yrs 2 mo ago)

From:

PROVINCE OF CAGAYAN

To:

AMAD CONSTRUCTION SERVICES AND SUPPLY

Value:

₱487,155.30

Project:

Repair/ Improvement

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF CAGAYAN

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 #4,199 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 CAGAYAN awarded it to AMAD CONSTRUCTION SERVICES AND SUPPLY on 2020-08-21.
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 Cagayan 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 a35b9761f9…55397cnow …
2. Block Merkle root changed
stored d03f304184…ef2d33now …
3. Block #4199 hash changed
stored 32da363d73…909793now …

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

leaf a35b9761f99b85dba4d8da3f3418ff9a3b123a59f113dc96a521ff14ef55397c
01 L a358c46495bc7206409ffb8a2ba99de2018a32bb76d0367c88581500786e0e91
02 L 95c97780e38f529f2946f4e29e32c5c15f5b1058c434aa9c7ea11107875df3c2
03 L e1892570e5de3273f3b9a1343af3531f9bccc44f7e08fc616225f5d0b18258dc
04 L a1f9890b0704bdcb9309de93db897ef03211aad4587cd661c43f2dc961a63a73
05 L fcd0e49f2a85a395930389fb1157cca3e4945e5d4ac9f3e2a6f5d18f51061741
06 R d24f8d160b1c60a628582475682f5df152c32a81b428316a6b331827d8c8c058
root d03f3041849a5b46d7b6ebb8ff660e1d17df02d631da63939a9d333cdaef2d33