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 ₱491.4K contract to LANUZO'S CONSTRUCTION AND SUPPLYCities

Transaction hash:

90bdf9cbdfbb559273c065aa222c08a1accde19ee95926e7a5610a297a6d7878

Status:

Included and unchanged

Block:

#820 5,193 blocks after it

Position in block:

Transaction 44 of 83

Award day:

Mar 11, 2010 (16 yrs 8 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

LANUZO'S CONSTRUCTION AND SUPPLY

Value:

₱491,381.87

Project:

(small value procurement) Furnishing of Labor, materials and equipment for the Proposed of labor, materials and equipment for the Proposed Drainage System Leading to Doña Paz Subdivision, Brgy. 40- Cr

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 #820 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 2010-03-11.
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 90bdf9cbdf…6d7878now …
2. Block Merkle root changed
stored 154973610a…b1b701now …
3. Block #820 hash changed
stored 3eb34b3988…5d3a91now …

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

leaf 90bdf9cbdfbb559273c065aa222c08a1accde19ee95926e7a5610a297a6d7878
01 R 90f6f717dd35ef598222a85f62434750a4c10aaa3c16dd82c8de8593a2385890
02 R e5c9635013c2ed0df087c38a2b11203d21444dd51345b879206b3b6e74786961
03 L 669bedd3a53afeabc37fcb54b77a5aa1f4cf2a4c137282b9b5cc535474e44503
04 L 64d18882c574f02690b5a2bb6157958c5615e901b027c8ef29291d3c861c96f3
05 R c9a5c9c4ae77fd988f247287402690121919bd99e8db350bc1dfdaa50d7f750a
06 L 8ca6c13a6821852b43e3c9acba21bf0fc1bea7e4e8a87064a16addf7bc3d0d15
07 R f12e7bcf2a4f089995010cdab95f20bec7a938b46e7410d9e33440b5254532c0
root 154973610aa26afb260c2bd22941d02624f057aa681160bddf0cd64704b1b701