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 ₱180.8K contract to TWIN ACER BUILDERS AND SUPPLYCities

Transaction hash:

dd5932bc69ee6e058bf370b319c605c4e64af4f737cf66534136239809d8605a

Status:

Included and unchanged

Block:

#1,400 4,613 blocks after it

Position in block:

Transaction 97 of 109

Award day:

Mar 13, 2012 (14 yrs 8 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

TWIN ACER BUILDERS AND SUPPLY

Value:

₱180,762.70

Project:

Furnishing of labor, materials and equipment for the Proposed Slope Protection Structure at Eroded Portion of Guadalupe Shrine, Brgy. 58- Buraguis, 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 #1,400 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 2012-03-13.
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)
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 dd5932bc69…d8605anow …
2. Block Merkle root changed
stored 3c382890e6…171af0now …
3. Block #1400 hash changed
stored 1d070db5d8…153278now …

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

leaf dd5932bc69ee6e058bf370b319c605c4e64af4f737cf66534136239809d8605a
01 L db4edc8742a20eb9227832c5b1d63055f2d9c3d9cb07d930c1aac22d5113fc16
02 R 40134b69d95b2ef227c0484ea6becec8a2f3560a92dc7e4f33f1afce61cc8add
03 R 6b63fe0d39a2775eeb60cd7fd13dd99aecd1c529491e277ddb21cbf4701ef5fe
04 R 8235f67f47bbaa8cd1c4f65c4c3a331b431096ce604405c5599c2c117f8b7b2f
05 R 2c89d9d47382a58237686638e5acaaf2d0b0a043111ad4637efebd3af996c597
06 L 620880b70a774bb21c77cce681ccae15eec9c1bfb0ef6a118c0c7e5c9cb99828
07 L 7903b2eba83d7185e7146dd86327c73348d6897711aa4065ca168fd8a859230c
root 3c382890e67dae008b5186f187a32ac8ce931b1ad87bc9e4c38e183534171af0