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 LEGASPI, ALBAY Award a ₱485.6K contract to LANUZO'S CONSTRUCTION AND SUPPLYCities

Transaction hash:

581d2cfba769f881aa2e5f8a90e50dd43b8072712a1f72565653358f4f70890a

Status:

Included and unchanged

Block:

#1,671 4,342 blocks after it

Position in block:

Transaction 32 of 85

Award day:

Feb 4, 2013 (13 yrs 9 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

LANUZO'S CONSTRUCTION AND SUPPLY

Value:

₱485,558.26

Project:

Furnishing of Labor, Materials and Equipment

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF LEGASPI, ALBAY

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 #1,671 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 LEGASPI, ALBAY awarded it to LANUZO'S CONSTRUCTION AND SUPPLY on 2013-02-04.
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)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 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 581d2cfba7…70890anow …
2. Block Merkle root changed
stored ffe4be4199…38b865now …
3. Block #1671 hash changed
stored 7e25c5fabc…430deanow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 84 records. Each step hashes the current value together with the sibling shown.

leaf 581d2cfba769f881aa2e5f8a90e50dd43b8072712a1f72565653358f4f70890a
01 R 5951c89f581e3f0aa990d4d09002f2a6401eb2bad1ca0ca2b8b179cba8970c3e
02 R 0ba6a63c29ff098e608ff5b33dafc12d578256a545615d71acbcd0aede70b206
03 R 82a5f8b21731ac108b4bc68e0178884e7829913402ce283de0041c892ccce117
04 R c8af9aa9dab06678b8500d981293447c9e976830be7c183ddef2f215b7ca7162
05 R aeebcd4e69aa6e132ffd4ce9399ebc2bc84dd6a7f79d84ed0c326acc09db7c60
06 L f6296c602c2be2137e94fb30156f71796acae4433253d77cdc115459471b4231
07 R 928ad4ac3fad0f8b272f1f5bc1302889477db9fe9b14e69b907d66c551f68ada
root ffe4be41992622a1011d73f6365ac1a52ff670e15a708cb6961fa757b938b865