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 - CATANDUANES ED Award a ₱19.1M contract to HI-TONE CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

e1644eb8bf85b496c97decc66d47832521711fddeab3f73bcc12c07c6c4fd707

Status:

Included and unchanged

Block:

#902 5,111 blocks after it

Position in block:

Transaction 15 of 18

Award day:

Jul 8, 2010 (16 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED

To:

HI-TONE CONSTRUCTION & DEVELOPMENT CORPORATION

Value:

₱19,104,009.00

Project:

PREVENTIVE MAINTENANCE OF CATANDUANES CIRCUMFERENTIAL ROAD ALONG CARAMORAN-SAN ANDRES ROAD AT K0118+181 TO K0136+969 (BAYBAY-DARIAO-TUBLI-MABINI SECTION WITH EXCEPTION), CARAMORAN, CATANDUANES

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES 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 #902 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 - CATANDUANES ED awarded it to HI-TONE CONSTRUCTION & DEVELOPMENT CORPORATION on 2010-07-08.
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 e1644eb8bf…4fd707now …
2. Block Merkle root changed
stored c7b930d2db…cfe69fnow …
3. Block #902 hash changed
stored d861a61578…5a38e7now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 17 records. Each step hashes the current value together with the sibling shown.

leaf e1644eb8bf85b496c97decc66d47832521711fddeab3f73bcc12c07c6c4fd707
01 L d15aae0451069c7fbe033e6343511e4b3fe3a826c7e351f16ee589b92ad294b0
02 L acb626eb0803623059cf1ccb6d373adb010b99ef0b296b999c31c30429682afb
03 L af85bf1c1c747168356393a24e8f4b30076f087437c2adc2cd708be7c81042d2
04 L ec597214ed42e6e6ea0f028857e0b79eb72b469e0a649a36aaad923b991119ef
05 R b0e87106ac9c87565c6f75232f83a64bed765566ffb7d479145d6d0b3cbdb218
root c7b930d2db0153ee190f802ff798ef372b8ca7f383c1a27738f2318aedcfe69f