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 BATAAN Award a ₱1.1M contract to E.R. VENZON CONSTRUCTIONProvinces

Transaction hash:

79afd8874bdeed2eaa6a42a2be91effbe4605f2dbeb46f1ebe68d8383d3de27b

Status:

Included and unchanged

Block:

#1,298 4,715 blocks after it

Position in block:

Transaction 20 of 54

Award day:

Nov 18, 2011 (14 yrs 11 mo ago)

From:

PROVINCE OF BATAAN

To:

E.R. VENZON CONSTRUCTION

Value:

₱1,069,051.91

Project:

Construction of Open Canal Lavander St. Barangay Alas-Asin, Mariveles, Bataan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF BATAAN

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 #1,298 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 BATAAN awarded it to E.R. VENZON CONSTRUCTION on 2011-11-18.
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 Bataan 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 79afd8874b…3de27bnow …
2. Block Merkle root changed
stored b669170de7…1bcf9enow …
3. Block #1298 hash changed
stored 866de4c2ab…fc7829now …

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

leaf 79afd8874bdeed2eaa6a42a2be91effbe4605f2dbeb46f1ebe68d8383d3de27b
01 R 7b40b5db9e01f6ec0d37a24e6f923c797100d52c1de82ff77e2a1c05f45f29bb
02 R acfd1573364f12f666dddd2fa6a93817b62a5885b17751b9ae73139ffac84c53
03 L 2c200f208b22a7285c1c9d7b632b22363082dbf9e8f1392cbb03409bf6f01850
04 R c76db34b7edb3ecea23712ff09cd31ea3f8dfcf60f6509e608cb0bea280b4019
05 L e49c6fe311f17e8fe0ac71dcf8d0c973c083e1012f57dc3216ee123ba55b7f9a
06 R f420c4619abc893bea1748e909535e180df28d9c6600b271e204d5f0d07ca98a
root b669170de7b48cf607c721411465b9865c1a27dee5858ba8f423e878dc1bcf9e