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 ₱1.3M contract to MEGACONSTRUCT GROUP INC.National agencies

Transaction hash:

89db2dd0463aaf4a985270cb7e53035ae45deb3397822f594577d656c01b25be

Status:

Included and unchanged

Block:

#1,112 4,901 blocks after it

Position in block:

Transaction 27 of 55

Award day:

Apr 5, 2011 (15 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

MEGACONSTRUCT GROUP INC.

Value:

₱1,260,246.48

Project:

Mojon Revetment City of Malolos, 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 #1,112 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 MEGACONSTRUCT GROUP INC. on 2011-04-05.
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 89db2dd046…1b25benow …
2. Block Merkle root changed
stored affdb7628f…6e1a29now …
3. Block #1112 hash changed
stored b5c7ada218…9ad0canow …

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

leaf 89db2dd0463aaf4a985270cb7e53035ae45deb3397822f594577d656c01b25be
01 L 888f8dff349bbc9024cafabb43d7c4a38dde4bf5273c39f4ae2513e79a51abc3
02 L 3d2ec151148cb233438ff7bc1ea25c04d7057827a65f7c74eb56a3f072030725
03 R c1aaacaa83491c707520198145abcd7dfa619e9de66a3ea17ebf7240c40a83ec
04 L f148f43c40e60f0255577a73da4f8b5d4b6c11e02b4b5dc4fabba4a3ab42bfc5
05 L 87d19883df6c592aeb9b4bf3cb5dc08e30e133e278660f084aca773fca059b63
06 R be378f3bc793df458d45e954e446c61b754535efd3f6447afea7cadfa6275c92
root affdb7628ff28598e75bafefc63fd4ec760fc56932f520ffc7868ef5aa6e1a29