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 & HIGHWAYS - ILOCOS NORTE 1ST DEO Award a ₱14.5M contract to AJ TAYLAN CONSTRUCTION CORPORATION - LAOAGNational agencies

Transaction hash:

a0941bd98d41894c8cbdcb3d36d28d66837a4c8eb1318c1e819013d28716f8f5

Status:

Included and unchanged

Block:

#1,134 4,879 blocks after it

Position in block:

Transaction 26 of 38

Award day:

May 3, 2011 (15 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - ILOCOS NORTE 1ST DEO

To:

AJ TAYLAN CONSTRUCTION CORPORATION - LAOAG

Value:

₱14,483,193.32

Project:

CIN-11AA0016 - Maintenance of Laoag River Basin Flood Control and SABO Project, Ilocosn Norte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - ILOCOS NORTE 1ST DEO

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 #1,134 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 & HIGHWAYS - ILOCOS NORTE 1ST DEO awarded it to AJ TAYLAN CONSTRUCTION CORPORATION - LAOAG on 2011-05-03.
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 a0941bd98d…16f8f5now …
2. Block Merkle root changed
stored c3a7c8c3fd…115540now …
3. Block #1134 hash changed
stored 2a1908ec79…a78a05now …

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

leaf a0941bd98d41894c8cbdcb3d36d28d66837a4c8eb1318c1e819013d28716f8f5
01 R a13410428768d0acfa5d3e76d2e9f2c0a38e7fbe4f2311725f0eced5f6c68cc2
02 L fef93126733252f73f4404a88f3f9ba30bf180b74def00d45e078e0fa5829e73
03 R cef2361b2ba5b51a57273c8417187aa5eb341ff7f0556d2eadfdbe2a40e9fbef
04 L e8f4c41bea6d8b4b82fd2c5712b2aa7b40890ac366ab1a6980de7838f7c05f16
05 L 33c8a7a417b9558fe8a2a740838e3ca831db01bd687a0e7ac5ef9486deb3f5d2
06 R 72ddf56f88b104303d55a4ec92efac5c7876bdbbd5ce0e1b8e960f8e70184d42
root c3a7c8c3fd0a1e018c01d2a7488a7f9758e8ea17ffada943d65711808d115540