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 - TACLOBAN CITY SDEO Award a ₱4.0M contract to RT BUILDERSNational agencies

Transaction hash:

b52a35a2ec130e2cc2c5a24fe9af87ba282f6ee7c098f4eb2a7d9414c95e4f92

Status:

Included and unchanged

Block:

#1,572 4,441 blocks after it

Position in block:

Transaction 38 of 58

Award day:

Sep 28, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

To:

RT BUILDERS

Value:

₱4,008,000.00

Project:

Drainage System at Mangonbangon River along Rizal Ave. Ext. Road, Tacloban City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TACLOBAN CITY SDEO

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 #1,572 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 - TACLOBAN CITY SDEO awarded it to RT BUILDERS on 2012-09-28.
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 b52a35a2ec…5e4f92now …
2. Block Merkle root changed
stored 9d22eb0b07…e6fd2bnow …
3. Block #1572 hash changed
stored 22193d47f6…005de2now …

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

leaf b52a35a2ec130e2cc2c5a24fe9af87ba282f6ee7c098f4eb2a7d9414c95e4f92
01 R bb18b578e679c093cf1b5a762c2a0d731dbb67a40991bb5e95f532ede3776379
02 L 0fce81fb35971a19d704bc48a0567bac089c557ec17654c2fe6f086b998e9bb5
03 L 3ddff5e54e7daf1c4abf3e0c7a251fa6f647ca03375e0de3ef79440d012abc7a
04 R cd9669fdeeb2011c618ee7951a67478b70db065478043b3487e5d7dd30e3e0e9
05 R 5a852d9ad69ace6a97ee7f730aa2fd76b2a72bad1233acd8ede17b993cf51781
06 L f01961f60cd723edf00f413bfe8b0f9ee4661756eb56a0841965105823428679
root 9d22eb0b0716f100ca3f3d4a1101e2e9b9e832e76892c200f5326629b4e6fd2b