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 ₱2.0M contract to ACV CONSTRUCTION & SURVEYINGNational agencies

Transaction hash:

98ae104c71e7e3f4bb5bbdd639ec506b553dc6443aa16d4fda5576b3e6859adf

Status:

Included and unchanged

Block:

#332 5,681 blocks after it

Position in block:

Transaction 17 of 32

Award day:

May 6, 2008 (18 yrs 6 mo ago)

From:

TARLAC STATE UNIVERSITY

To:

ACV CONSTRUCTION & SURVEYING

Value:

₱2,014,495.03

Project:

Construction of TSU NSTP & ROTC building

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 #332 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 ACV CONSTRUCTION & SURVEYING on 2008-05-06.
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 98ae104c71…859adfnow …
2. Block Merkle root changed
stored 09cbae769e…a0fca8now …
3. Block #332 hash changed
stored 343f425e5a…8501e2now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 31 records. Each step hashes the current value together with the sibling shown.

leaf 98ae104c71e7e3f4bb5bbdd639ec506b553dc6443aa16d4fda5576b3e6859adf
01 L 97f40d3fa7f41556be4346b51648e6c851381ac3a485cfd94e6f4160fed857a4
02 R 5b100d0fa6afc958d527c34f2133c7b2880420c8e05a9c1db6ef5dfd3baeb75d
03 R f90a10cc649a14f3ac9442e5173176c19b8dcd5b3212741e45963af0756d300b
04 R 5abc082a505a528da57e03eb4bbbebc05335428d6def9f00350a6b16bb9e148a
05 L cbac6cda5d9d232e5723840a6842cc158b2a2ea40749a08a9eaa004610264a48
root 09cbae769ec32af2f25605c134c24f5ef3c9d121d3700c0d5a5adeba90a0fca8