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

TARLAC STATE UNIVERSITY Award a ₱169.4K contract to MALTA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

e4ef0b486c989d43e27e6b2d147dc88df9d5737c4b258c4cd6d3aaa31b8a4ca7

Status:

Included and unchanged

Block:

#1,303 4,710 blocks after it

Position in block:

Transaction 55 of 60

Award day:

Nov 23, 2011 (14 yrs 11 mo ago)

From:

TARLAC STATE UNIVERSITY

To:

MALTA CONSTRUCTION AND SUPPLY

Value:

₱169,400.00

Project:

Construction of Additional Storage at Registrar's Office

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

TARLAC STATE UNIVERSITY

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 #1,303 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)
TARLAC STATE UNIVERSITY awarded it to MALTA CONSTRUCTION AND SUPPLY on 2011-11-23.
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 e4ef0b486c…8a4ca7now …
2. Block Merkle root changed
stored 88afb7c359…606c58now …
3. Block #1303 hash changed
stored c47229a47c…6294f3now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 59 records. Each step hashes the current value together with the sibling shown.

leaf e4ef0b486c989d43e27e6b2d147dc88df9d5737c4b258c4cd6d3aaa31b8a4ca7
01 L e490595e5938aad7f1dd1784805b5b2b272f6e6b7483c1d053b579f27d9704a0
02 L 32bd4c057819f7705719ada57730c767e5d7946fedb1615880727ba15df54826
03 L 7ab4dc536ca3114db130f9b6462e41173a5845a34e35ec9151d224d6636fb9ba
04 R 4a9a1e6ed89ffd6b03869fe5357e14e417ef7eb2ef3da9f1885a610fdebb228c
05 L f2a7123ee71d169783bd6fc9c4f437aa4625ab320acaa819451311043c3a8e8e
06 L 66c39119a93fc75a99f0c0976e8a79851015e136f165f5ae7455f272ca711613
root 88afb7c359882acf539893e202525e7226260c91770eb7f66efba06ea6606c58