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 ₱295.5K contract to TWIN ACER BUILDERS AND SUPPLYCities

Transaction hash:

5a899a2d048e968f30e23e3599c97288d0501c50bc252ebdb69a405dee496515

Status:

Included and unchanged

Block:

#810 5,203 blocks after it

Position in block:

Transaction 81 of 220

Award day:

Mar 1, 2010 (16 yrs 8 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

TWIN ACER BUILDERS AND SUPPLY

Value:

₱295,530.31

Project:

(small value procurement) Furnishing of Labor, Materials and Equipment for the Proposed Repair/Improvement of School Facilities at Pag-Asa National High School (Gogon, Extension), Gogon Legazpi City

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 #810 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 TWIN ACER BUILDERS AND SUPPLY on 2010-03-01.
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 5a899a2d04…496515now …
2. Block Merkle root changed
stored ec706ce6ad…8db01anow …
3. Block #810 hash changed
stored 7dab290c02…c6956cnow …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 219 records. Each step hashes the current value together with the sibling shown.

leaf 5a899a2d048e968f30e23e3599c97288d0501c50bc252ebdb69a405dee496515
01 L 59baf2fd992bec85bb2ed3507ba5c7e1b31c3c41e900347783f842373527b04e
02 R a1658790c0a1d74e6c9dee226513e5099b135a82a62cf4728fcdc64d2463b4b8
03 R 075a5854b0fc04cb3f502d5161969f082594f021b13fe26a9b58cbe28a2182f9
04 R 346040c67a441875498b8726a26055735e19e3e3bb68f967aa81f6f2743d4536
05 L e31f7d13e18803973f5ff7a0a21ce0a545dcf1ae3bc5145b2e09928a342b5aa6
06 R 18570c8698f40f8b63b52c788af223faee0372cfeab359946e89282a455b6e5b
07 L b65a254dde4d48337dfd2a1456750b75ee44eca6ddb4951406df977f6167687d
08 R 4347414b0765bc280c72dafabc022e32b90f429229c0a6e366be6f4d13be4943
root ec706ce6adb26ef3b2c2162ad726a0c6376caa5dbf91bf7f00e950fff18db01a