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 - TACLOBAN CITY SDEO Award a ₱995.1K contract to MCGR ENGINEERING SERVICESNational agencies

Transaction hash:

30c36dfad6bad92d66ea3f6b6d63c84e43f09168b7827ce094dc2497a745ff81

Status:

Included and unchanged

Block:

#1,314 4,699 blocks after it

Position in block:

Transaction 21 of 87

Award day:

Dec 5, 2011 (14 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

To:

MCGR ENGINEERING SERVICES

Value:

₱995,117.03

Project:

Construction of Multi-Purpose Building at Barangay 13, Tacloban City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

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 #1,314 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 - TACLOBAN CITY SDEO awarded it to MCGR ENGINEERING SERVICES on 2011-12-05.
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 30c36dfad6…45ff81now …
2. Block Merkle root changed
stored c7648c7f63…99c0c2now …
3. Block #1314 hash changed
stored 36d92cbfc9…ea2acenow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 86 records. Each step hashes the current value together with the sibling shown.

leaf 30c36dfad6bad92d66ea3f6b6d63c84e43f09168b7827ce094dc2497a745ff81
01 L 2edf3f8b98a1e2609ca9c84fa406487c2695ed96a00d23d6ccbd93142a08749e
02 R 622b386565ff850276e171d166f9d7a990ba0b53a5f5dbca33f6ee2a2cd7a3b3
03 L 73a3cf48004380fee7154d7a2c22b1c02ccac136dbedaf8526f7cfa1c49488e4
04 R 0b2b1365344acca40ed8a36476b5a3fe6ee3ef85272a9cede9355a45d6a4a289
05 L 9a4459868461922d40834fe90b6c9d6bdffa795aa27eaa2799c53a4051692560
06 R 746689b5980d089ea69457fbe28e010eddb885f0c88e952f5df706590bc6113f
07 R 34c2c512a5fd6276b7093119885abc7ca13b1004152ddea5b5911361577d65ae
root c7648c7f636f95ee50a250f6bc84e19d187a5cc46df1b2db516131aa9799c0c2