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 SAN JOSE, NUEVA ECIJA Award a ₱188.8K contract to SERDNA CONSTRUCTIONCities

Transaction hash:

2dfef5eecc934d632876b449770c337806f3f50d58fd486868d1592f8d3d070c

Status:

Included and unchanged

Block:

#76 5,937 blocks after it

Position in block:

Transaction 6 of 61

Award day:

Mar 16, 2007 (19 yrs 7 mo ago)

From:

CITY OF SAN JOSE, NUEVA ECIJA

To:

SERDNA CONSTRUCTION

Value:

₱188,822.00

Project:

Construction of Drainage System

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF SAN JOSE, NUEVA ECIJA

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 #76 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 SAN JOSE, NUEVA ECIJA awarded it to SERDNA CONSTRUCTION on 2007-03-16.
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 San Jose City gave a "unmodified" 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 2dfef5eecc…3d070cnow …
2. Block Merkle root changed
stored b5ed634945…87cd15now …
3. Block #76 hash changed
stored 5de2979165…421addnow …

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

leaf 2dfef5eecc934d632876b449770c337806f3f50d58fd486868d1592f8d3d070c
01 R 31dd8cc2b000ac1c3e1633ac22682b39a1b7f1bea54f3a5076fdfa8a27c19b0b
02 L 60ab6e9c66307c9895e74caf0ceb5229dd3e25fc38e74435aaa89fbd62a6ec66
03 L d5d87e99e2d1891bdfa0d128bcd579d4a63dfb21487e6eabbd92b458d87c9b18
04 R da5fe0b069f025c9bc3c6c9a9042ca6d68bddc82f0743dfc3309fbd34a938d4f
05 R f04ecba7b9f9fdd591e0b7aebbe3e07710b9d33894f3dcc56d6619f1040da437
06 R 1c980d0cda943d902bf9b90c398d65a66c6ab5f06011ba43bf859d86607c7701
root b5ed634945f561a6d77f706acabbc2d2f60cd4210901a1cecf1cdd78f687cd15