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 V Award a ₱38.5M contract to HI-TONE CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

403146fa13041ef9812d1cc31467cced7595a2023d3ee27bd0a6904cfee14052

Status:

Included and unchanged

Block:

#1,575 4,438 blocks after it

Position in block:

Transaction 16 of 52

Award day:

Oct 2, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION V

To:

HI-TONE CONSTRUCTION & DEVELOPMENT CORPORATION

Value:

₱38,453,095.79

Project:

INVITATION TO BID - 12F00044

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION V

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 #1,575 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 V awarded it to HI-TONE CONSTRUCTION & DEVELOPMENT CORPORATION on 2012-10-02.
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 403146fa13…e14052now …
2. Block Merkle root changed
stored 1acba33b45…229880now …
3. Block #1575 hash changed
stored e86b9ea349…d95f87now …

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

leaf 403146fa13041ef9812d1cc31467cced7595a2023d3ee27bd0a6904cfee14052
01 R 40481d82203c3b8a47477347496ed80ef2a604e146bf17cebf4704e741bdfb07
02 R 962f312810c6a4612c401b807b86c1e70c0343c5656dc934eb8a8cd04210d841
03 R fe4628954541f4053e3334991f8ee19f6fe0e79866fc29281934132344219b13
04 R d9b82ab7424ecec482d2deea76a8d956e157535bb13864b667dcecd77e461069
05 L 1e5716d68e9862f448ad3129b191e1a803f850353d3bee3e640b532e895e254d
06 R 44f38a19736d1414da1977307ec4d20abcfb2493187a3cfdd7f2bdb40b788457
root 1acba33b455dea5ac723f8495baee0b9361a9be94e8ef9e8e0ee57cffd229880