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 - REGION VIII Award a ₱197.0K contract to ZAS CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

e4efe6fdf56544fd7911c50b5d239faeef2b86f3d341c37131e033895247de08

Status:

Included and unchanged

Block:

#1,386 4,627 blocks after it

Position in block:

Transaction 69 of 79

Award day:

Feb 24, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

To:

ZAS CONSTRUCTION AND SUPPLY

Value:

₱197,008.57

Project:

12IE0028 Construction of Multi-Purpose Pavement, Tabango Elem. School Tabango, Leyte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

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 #1,386 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 - REGION VIII awarded it to ZAS CONSTRUCTION AND SUPPLY on 2012-02-24.
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 e4efe6fdf5…47de08now …
2. Block Merkle root changed
stored 853e930d47…334b3enow …
3. Block #1386 hash changed
stored 70a204b939…6d3631now …

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

leaf e4efe6fdf56544fd7911c50b5d239faeef2b86f3d341c37131e033895247de08
01 L e04ac24705a1d3cd78665686e009ccd1698d4101f61c76d2cafe45b63cd52bf2
02 R c68a344372d50f32c6e8ed7b888f1202d0608b41de2b8f940af305aa1350905f
03 L 3a33227855b590263b2ad1e6deec3ae6b4f70375b0747e53764207ee9cf8d2cb
04 R 6be4650712d105609efe0294fdc71f6442c4cab50f9c17a5288a4efa7ece9202
05 R 85fbb853602b72829c628e8c39597693fd84bde1d980d93891ab79dc446fd460
06 R 43f043ae093cf3dbb7fbfd7b5489a36e5c22fe8c99fc05401949a3ef8e3489f2
07 L 08e212ebc949d213bbc5956bf2581f260d0ce4e03bb7c6a90196c738dd237f16
root 853e930d47ff1ebe69a27a90275691be74695ce47d57ebfccd1f23c615334b3e