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

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE Award a ₱487.7K contract to 3RB CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

f7fa12ba7d92b048b0a9e11d6571eee43181aa81753fc863ddf67ef0dfbab623

Status:

Included and unchanged

Block:

#1,265 4,748 blocks after it

Position in block:

Transaction 54 of 56

Award day:

Oct 11, 2011 (15 yrs 1 mo ago)

From:

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE

To:

3RB CONSTRUCTION & SUPPLY

Value:

₱487,660.00

Project:

ITPB No. 2011-13(11DI0081) Construction of multi-purpose building at Brgy. II Calamba City, Laguna

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE

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 #1,265 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)
DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE awarded it to 3RB CONSTRUCTION & SUPPLY on 2011-10-11.
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 f7fa12ba7d…bab623now …
2. Block Merkle root changed
stored 590b478897…e6a18anow …
3. Block #1265 hash changed
stored 31d71f1210…6d8430now …

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

leaf f7fa12ba7d92b048b0a9e11d6571eee43181aa81753fc863ddf67ef0dfbab623
01 R ff8eb954d39f208beabac59bb3773bb3d63ec360a14c5eb4cd245cd2630f617f
02 L 04d927c628ee92e49ccd31b3278efab4ccdd32d9e8779bdcac718b87955e7510
03 L 94910a655f9b1b3009477f9705860b544e717e191bc09dbfb1a9b0490db83104
04 R e64fc97fbfa32a141f9210c39c267f041cae2e8fe9c3edb3dc5ba81b9db29b98
05 L f88e3199fa32a1115c2f6952fd4f55bc12a4a163ace43966d78c161caaa3283f
06 L fb670cee7b6b251aad06c3bf2c315c56d957400c76b94ae2e2f72e51fe003b58
root 590b47889709aede436b472b3db6598d68c73c1eb0f5b0cbf579a609ede6a18a