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 NE2NDDEO Award a ₱1.9M contract to R.D. TALENS CONSTRUCTION AND TRADINGNational agencies

Transaction hash:

f3eac0ced30283f7699c41c2a8149f2d5756bbd199751bab15992d08aaa487be

Status:

Included and unchanged

Block:

#2,752 3,261 blocks after it

Position in block:

Transaction 94 of 101

Award day:

May 31, 2016 (10 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS NE2NDDEO

To:

R.D. TALENS CONSTRUCTION AND TRADING

Value:

₱1,861,992.88

Project:

16CF0052

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS NE2NDDEO

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 #2,752 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)
DPWH lists the funding source as "Outside Infra - GAA 2016 DA Farm-to-Market Roads", i.e. the FY2016 GAA. The exact UACS line is not given.
Partly
Open
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 NE2NDDEO awarded it to R.D. TALENS CONSTRUCTION AND TRADING on 2016-05-31.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16CF0052: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2016-07-15). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 f3eac0ced3…a487benow …
2. Block Merkle root changed
stored b572bb3e4b…24c0e2now …
3. Block #2752 hash changed
stored 2175d1ed06…ffe879now …

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

leaf f3eac0ced30283f7699c41c2a8149f2d5756bbd199751bab15992d08aaa487be
01 R f4d3b2256a965887aa2a2ce75a7d4d1039ee48138f5d29f28213ca48a5d43cb2
02 L a2023ef593fd431685f7690d29bab9fdc4fa5246224fd05d261c5bc14dcb781e
03 L a1533eb1ed3e8dd0be1d6e24198cbf58db29303b769f3522a8895fa3dc914186
04 L a305c097fbbf70f2c29e327ef337cb1794e6d9c5104d8c581d2bb4f6254aaed5
05 L 48addeb8c54e44cf57c2b0b1217800c413e9a7908705dce553666a73e9c0d8de
06 R 0ac6f620b641b8070f69e9def1e72da969b5320b96bc1f6766832f631a8e1f9c
07 L 70310058c5361b3d72c4e6dbbc831abe2d3286bc6368d44b3b0f9b4447a9b3c0
root b572bb3e4bb8cd22b4cbe9e65a7daaef74d1bc21c77af82bf66301cc8624c0e2