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 ₱386.9K contract to TWIN ACER BUILDERS AND SUPPLYCities

Transaction hash:

ee97bbd4a7fa3d29f8042bfe05d0b6449565cebdb5fa94df957136f3fdcfe1c6

Status:

Included and unchanged

Block:

#1,675 4,338 blocks after it

Position in block:

Transaction 65 of 71

Award day:

Feb 8, 2013 (13 yrs 9 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

TWIN ACER BUILDERS AND SUPPLY

Value:

₱386,860.10

Project:

Furnishing of Labor, Materials and Equipment for t

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 #1,675 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 2013-02-08.
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 ee97bbd4a7…cfe1c6now …
2. Block Merkle root changed
stored b392b21fce…81fbebnow …
3. Block #1675 hash changed
stored 093d7c8b81…318f0enow …

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

leaf ee97bbd4a7fa3d29f8042bfe05d0b6449565cebdb5fa94df957136f3fdcfe1c6
01 L ed02158b58dbe69becb134e82a526d3dc26a4c93fe01bbf51465a016e6c26ae4
02 R dabb0d2f9cfbfa0403a057e37c4a65efbb2783de885d5e396dd64c95955900a9
03 R 80ed1d482beead5230788237f7b2c6a955a60e912b4753f6811f7309b59cf951
04 R 63fb7d7203dbcdb2538dddbb4b4f22fdd654834f2f4fd56dcde08ddf2e32c668
05 R c6db1f5a3d1a5e391b9cb941d13656acd55a7055e1e762271822291e59c25d5b
06 R 617e52b5091a8f954cb6a4c74e4cd9cc22e12b548993ef815c21e873970a4402
07 L b1522bffc4aecba01823fbd92daf014c98af58513a11ff40e3722d157a5ee572
root b392b21fced25d44a7c65ff6f3ed9cdd9ed69dc24b0c2d4ad29e2535c481fbeb