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 - ILOCOS NORTE 2ND D Award a ₱799.9K contract to A. B. TAYLAN CONSTRUCTION & DEVELOPMENTNational agencies

Transaction hash:

e64298be30db6c4faffcef0830a3ad529201327fffa71083f0ad3f41ee1b6ea7

Status:

Included and unchanged

Block:

#1,593 4,420 blocks after it

Position in block:

Transaction 45 of 52

Award day:

Oct 23, 2012 (14 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 2ND D

To:

A. B. TAYLAN CONSTRUCTION & DEVELOPMENT

Value:

₱799,906.31

Project:

Removal of Slides along Ilocos Norte-Apayao Road, Km. 518+600 to Km. 526+000 (Int. Section)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 2ND D

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 #1,593 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 - ILOCOS NORTE 2ND D awarded it to A. B. TAYLAN CONSTRUCTION & DEVELOPMENT on 2012-10-23.
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 e64298be30…1b6ea7now …
2. Block Merkle root changed
stored 8eeafd6e69…629a3dnow …
3. Block #1593 hash changed
stored 35eaba4fe6…e9e1a6now …

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 e64298be30db6c4faffcef0830a3ad529201327fffa71083f0ad3f41ee1b6ea7
01 L e613a2b19c09c45eb66592dda823d5b67ae65e402bb171cc6a6a1c3ac36ac048
02 R 2482a72a55d6d90db6d182f1ceddfaa8566da5228d8aeb4fe73300d898f858fa
03 L 5e7e477e78919c36405e89ac9184219e6e9ac9c87891df66cc13d030204eb529
04 L f1e572d1d6aa4f538e3b1c3a139e7d6d0972692827c0b0315b076e95f83fd294
05 R 7fdde22d168a6f7addea538726b4ef1115c3ac1ceb43b023e5d0b1cb3f0f8f4f
06 L 4e1e8a51243c5d9d3963aa206753f9c1ec25087ae2ca1295ca7b3347f80451ff
root 8eeafd6e69019d5ab85e64c12786767cdd55f50fedc3ad09c02e79f0fa629a3d