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 VI Award a ₱13.8M contract to F. GURREA CONSTRUCTION INC.National agencies

Transaction hash:

331c9d95a257bd965cb683cae607a81b758ea40dd855269e56d93e9b4980146e

Status:

Included and unchanged

Block:

#823 5,190 blocks after it

Position in block:

Transaction 23 of 106

Award day:

Mar 16, 2010 (16 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VI

To:

F. GURREA CONSTRUCTION INC.

Value:

₱13,816,178.91

Project:

ASPHALT OVERLAY ALONG ILOILO-CAPIZ ROAD (NEW ROUTE) WITH EXCEPTION (KM. 34+051 – KM. 63+149), WITH EXCEPTION

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VI

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 #823 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 VI awarded it to F. GURREA CONSTRUCTION INC. on 2010-03-16.
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 331c9d95a2…80146enow …
2. Block Merkle root changed
stored df259faef3…01becdnow …
3. Block #823 hash changed
stored 60f18d1709…8fc31anow …

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

leaf 331c9d95a257bd965cb683cae607a81b758ea40dd855269e56d93e9b4980146e
01 L 321e29ff4e1f558fe7e5a653d6a01b572716f7bcf8fff962951215ff0d9ce236
02 L efd55e47081d91cd46583430ece3373bb4b94684a7ee6aecd8b22788d7a26394
03 L 52feca74dfd5a301094580558a7b5cc197b812511c49f72fa8d1c262c7a74b0a
04 R b7d3338dd66254fcd85bdc3075b2e02a9e5b2351b2f3c41936b19b33b008287a
05 L 6143977e0b6a140d2f39ef56b40c6b8a8a7f7fd9468924db5eabed9100508774
06 R 3c598a25d145a4064f5366946932d99158e2b6f3753f95dc3a390353ec543ffd
07 R 2716e7ac0fa3a07b63b634d2939bc52e430c3c33eda6a0d8ba9359d31f5595ff
root df259faef374daf81a2f1974f0c03bface386ede44f693d9de00d1582901becd