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

MUNICIPALITY OF BAMBAN, TARLAC Award a ₱446.7K contract to N.M. ESPINOSA CONSTRUCTIONMunicipalities

Transaction hash:

a772dcb261f63bc82bcaf620d236e93f425093a26cc88b71153d4016c506d76c

Status:

Included and unchanged

Block:

#1,506 4,507 blocks after it

Position in block:

Transaction 34 of 58

Award day:

Jul 13, 2012 (14 yrs 4 mo ago)

From:

MUNICIPALITY OF BAMBAN, TARLAC

To:

N.M. ESPINOSA CONSTRUCTION

Value:

₱446,748.00

Project:

FURNISHING OF LABOR & MATERIALS FOR THE CONCRETING OF ROAD AT BARANGAY BANABA TO SAN NICOLAS

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

MUNICIPALITY OF BAMBAN, TARLAC

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 #1,506 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)
MUNICIPALITY OF BAMBAN, TARLAC awarded it to N.M. ESPINOSA CONSTRUCTION on 2012-07-13.
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 Bamban 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 a772dcb261…06d76cnow …
2. Block Merkle root changed
stored becc430e8e…773e6enow …
3. Block #1506 hash changed
stored ddc252783a…c3c369now …

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

leaf a772dcb261f63bc82bcaf620d236e93f425093a26cc88b71153d4016c506d76c
01 R ac2365dbc034380ae34f0a42ef58127f202078cc2da9edb673d0ef751c4805f3
02 L d424c8447203dcced566acb785d69a3ee433bb67086d61789d7c1902f8b52861
03 R e34d02856ca96b355b91e1b49eeb4412b99ce4693ae575e6424c4cc8ba1954dd
04 R 4a8f2f908ea0c41735d408e7db0d83415effcc572a1034414cc306308432ab26
05 R ddf429b80f5b7df0fae0d27c4236e0e7b309e626f1adfa7dc4a8644c24d78e2b
06 L 165ca86eee70d215166895a7afb427d5462782773fba2bcb43a0040342c89848
root becc430e8e0fedd33bc492f6b892d2b71cff0b724e77ab495495315ac7773e6e