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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO Award a ₱495.1K contract to ESN CONSTRUCTION & TRADINGNational agencies

Transaction hash:

d5ec0dcd53a80f8a6841f71ce6693d9be85c7ffc9616b17111a3a57cdbd7bca3

Status:

Included and unchanged

Block:

#725 5,288 blocks after it

Position in block:

Transaction 29 of 37

Award day:

Nov 3, 2009 (17 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

ESN CONSTRUCTION & TRADING

Value:

₱495,134.75

Project:

Completion of multi-purpose building at Taal, Pulilan, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

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 #725 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)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO awarded it to ESN CONSTRUCTION & TRADING on 2009-11-03.
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 d5ec0dcd53…d7bca3now …
2. Block Merkle root changed
stored 20796ab190…218df4now …
3. Block #725 hash changed
stored a844f4d118…446a7anow …

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

leaf d5ec0dcd53a80f8a6841f71ce6693d9be85c7ffc9616b17111a3a57cdbd7bca3
01 L d4b6818bfe0d267efccae3d01ee0ffa889e6e083b10f380088d8e51fd5e890d9
02 R d4e12ebfd3d05864f93c44e8679f8bf654f6e8ba6c91c4502690e1b7f11354a2
03 L eb3a82e3abbdc12e635ebca46b26ae54aab3e2e48eb9b254c4becb945a99c06a
04 L 2265a98967219f727a9771c45389c997fc15859af348425c517de3342ce8949a
05 L a2c73eb98e0891645a66a029cf3df86f4d336473aea244248aa80c635b80d2b0
06 R e1ea3721d1ea90d11379a5f9af3a4c95759b73a2f562a73bdbbafa4c5e4ed519
root 20796ab190a08e40977b671b8044b5ec744a5edf11fe1063d2fc14e89d218df4