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 - TARLAC DEO Award a ₱18.6M contract to NORTHERN BUILDERSNational agencies

Transaction hash:

f8aa72a3da3f18bdc7e9ba7ee2ac7cf7303b599fa8d9fb6277f1013dac9b76da

Status:

Included and unchanged

Block:

#1,985 4,028 blocks after it

Position in block:

Transaction 105 of 110

Award day:

Jan 29, 2014 (12 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC DEO

To:

NORTHERN BUILDERS

Value:

₱18,613,676.38

Project:

COMPLETION OF MONCADA – PANIQUI ROAD, PANIQUI, TAR

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC 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 #1,985 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 - TARLAC DEO awarded it to NORTHERN BUILDERS on 2014-01-29.
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 f8aa72a3da…9b76danow …
2. Block Merkle root changed
stored c8b91153ae…bbdbfdnow …
3. Block #1985 hash changed
stored 5e7a7080a1…1d50ebnow …

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

leaf f8aa72a3da3f18bdc7e9ba7ee2ac7cf7303b599fa8d9fb6277f1013dac9b76da
01 L f06fca81f064abc590fad1a42f3ab50645de825fc737c8e3f2970414a6ca1437
02 R d3a72034401942c47f86faef5ba5741d7ace4308664b809e9d0496d23a9eb351
03 R 1091f272e542a5650ddffaa65cbbb4d0550e1f228b22f94d94e987a99f3a48c4
04 L ef6339230d0ef18f2976718203a6d59e4a5ea8cdda70c5fb5efe89dd05873924
05 R 82b843264cfe4e6ef6f3d749d8b46876ff40e1fda97931cae52b0096482a37e9
06 L bf7b3a78d7ae279913e62eaf9bf94fdc60f049c25593312400d134a8de842d95
07 L b33a5f7971682e400ada3469a57e98eda05210a06efedc2235f5a1d52df93a59
root c8b91153ae5af4a842b5f71e90795c1042df6d7887cb243fd907c6725ebbdbfd