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 - PANGASINAN 2ND Award a ₱3.9M contract to AHYOK CONSTRUCTION SUPPLYNational agencies

Transaction hash:

d73e8b2d5496a421dc2b3bb525d64f83076f0848ffad799f2e409077c94928b6

Status:

Included and unchanged

Block:

#2,112 3,901 blocks after it

Position in block:

Transaction 108 of 125

Award day:

Jun 26, 2014 (12 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 2ND

To:

AHYOK CONSTRUCTION SUPPLY

Value:

₱3,890,621.37

Project:

14AH005

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 2ND

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 #2,112 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 - PANGASINAN 2ND awarded it to AHYOK CONSTRUCTION SUPPLY on 2014-06-26.
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 d73e8b2d54…4928b6now …
2. Block Merkle root changed
stored a5956e2166…2f41acnow …
3. Block #2112 hash changed
stored dabb3fa155…d42f34now …

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

leaf d73e8b2d5496a421dc2b3bb525d64f83076f0848ffad799f2e409077c94928b6
01 R d9d7fd0739bce38daf32e008017a7a206cb40af199d407c81330bf9b323749a0
02 R 5dbe32b59ce9080679940628c4afc44d1ed7b2efd80e460330abd5e323ea38e9
03 L 0735282817d81e7288e952724dc12fd5cfe4a7db864adb2411c53f3cdbb97809
04 L ccc3f70156bf52841eace652a9e88dac84ba066d5f2951bead700abde23186e1
05 R d803ee38fb7aef4ef4c04b19ee8de0014cf650291a731c4b874ef78cf07a1bcd
06 L f517a6ddca813ceb55fb18a7214eb41deb16ea74cba0f7d21e95500932400c2e
07 L 0993eb97b8e50906715b077de4f426409027a7dfb2cce9b4fb191317d74da9f7
root a5956e2166b14a055e0f68a50ecdc82776e747251408a34cf52a239ac42f41ac