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 - LAGUNA 1ST ED Award a ₱2.5M contract to ALAGON CONSTRUCTIONNational agencies

Transaction hash:

76974826a8b6db07f6cbb78db04ac1fb971a524fb59192594c55e7d8110feaed

Status:

Included and unchanged

Block:

#1,420 4,593 blocks after it

Position in block:

Transaction 16 of 53

Award day:

Apr 4, 2012 (14 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED

To:

ALAGON CONSTRUCTION

Value:

₱2,451,286.65

Project:

Clustered projects for the Repair/Rehabilitation of Multi-Purpose Building

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED

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 #1,420 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 - LAGUNA 1ST ED awarded it to ALAGON CONSTRUCTION on 2012-04-04.
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 76974826a8…0feaednow …
2. Block Merkle root changed
stored e047006fb8…669f8fnow …
3. Block #1420 hash changed
stored a30a6fb6aa…8eb470now …

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

leaf 76974826a8b6db07f6cbb78db04ac1fb971a524fb59192594c55e7d8110feaed
01 R 777cde11a8876275836bf0fcda9d2cf5d023f6ac701c8dacc430dd1aa1db6d40
02 R f34c08284dbaf3ea03f9415484f1765228931effc1bef2c5789abc60451d191e
03 R bd420e6717d366a442356d2b471b855d3d3b65da5535ccd3cfd6b5a00a1c153f
04 R e57b0c78d8ff230fb66d72404099da024492dc36f8a678539162f1819456f09a
05 L fae8f4d207577d88ba78c7ecc043cc5f05913f94f24634453c8f6c1ac7a4b774
06 R 673d30e5b7aaaec356110dec18bade30c97b4a34b8c4ff7f5fa3ec763693e8ff
root e047006fb80588cf7c4e3d470bae80911eb7bb0097eab251527cb840eb669f8f