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

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱1.5M contract to JANWIN CONSTRUCTIONCities

Transaction hash:

3c4e3606ec4e994479bf89235e0ea9490937702c0e8a2d78b98c1f7093aab6c2

Status:

Included and unchanged

Block:

#1,104 4,909 blocks after it

Position in block:

Transaction 10 of 50

Award day:

Mar 25, 2011 (15 yrs 7 mo ago)

From:

CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR

To:

JANWIN CONSTRUCTION

Value:

₱1,461,981.70

Project:

Improvement of Farm-to-Market Road from Lapakan to Imelda, Lapakan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF ZAMBOANGA, ZAMBOANGA DEL 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 #1,104 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)
CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to JANWIN CONSTRUCTION on 2011-03-25.
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 City of Zamboanga 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 3c4e3606ec…aab6c2now …
2. Block Merkle root changed
stored 64109b0005…3a5971now …
3. Block #1104 hash changed
stored 196a85bf7d…b87389now …

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

leaf 3c4e3606ec4e994479bf89235e0ea9490937702c0e8a2d78b98c1f7093aab6c2
01 R 48f3bf4b14b3cc9fe474db055dbe16ca39447b96ce27b91b7bc7328f1198945f
02 L ca9f1a9af64159b11ec8920859a7c930d03fe76ead222604cbcb6957f5c17a0d
03 R 1d702adf9a5cce5098e6247c8a60f03524578afe1242b3b9f1483b01d00dea6d
04 L e28545fd35a0011ccda22e2ee2a8fe56bd0fe1b49ce41b3df12db609c813e26e
05 R 766eac181b79e0c654b1562df9f83306d07ff7842a124c1644c26f0ac6f460f3
06 R c0ba9c59b418f7f5ed375bcf9bd2a2a395b59c780973f15eb9beed44c9ed55fc
root 64109b0005bdf25f51067f42fe8a2503a400332bade9d1d355142fc51c3a5971