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 - DAVAO DEL SUR 2ND SU Award a ₱41.4M contract to H.L.J. CONSTRUCTION & ENTERPRISESNational agencies

Transaction hash:

c07b5bc3f1fa92e4d72bcd0688e1bb4b048f4a89133517a324659bf2816ddf34

Status:

Included and unchanged

Block:

#1,152 4,861 blocks after it

Position in block:

Transaction 40 of 49

Award day:

May 26, 2011 (15 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 2ND SU

To:

H.L.J. CONSTRUCTION & ENTERPRISES

Value:

₱41,447,660.95

Project:

Road Upgrading (gravel to paved) Davao Sarangani Coastal Road, Malalag-Malita-JAS Road, Calian Section, km 1675+520-1677+960

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 2ND SU

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 #1,152 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 - DAVAO DEL SUR 2ND SU awarded it to H.L.J. CONSTRUCTION & ENTERPRISES on 2011-05-26.
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 c07b5bc3f1…6ddf34now …
2. Block Merkle root changed
stored c7240813a2…a206d5now …
3. Block #1152 hash changed
stored ea2d01693c…07bdfenow …

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

leaf c07b5bc3f1fa92e4d72bcd0688e1bb4b048f4a89133517a324659bf2816ddf34
01 R c4f4b70723f16744207bcdf018bbedcb1044cc366000e8ff6fb6b1a68a1b235b
02 R dbc79245a4318c7d974d568d8b72d1f8a9a89c0b7525142bfb4023b5dd3128cb
03 R 116a710747ae79a17cd92d0c914d68f857bab3e740427bd5497948c0f4939103
04 L 9c2e9ca74824bc2df729dec652a1bd823dca7af49f236aeaf438001b6a048817
05 R 45cdc70981cc8d1f9fd5eb33d39d004f81d47699ba1d58137bda948e0e063179
06 L 66d01d42e7382a3b2b46591379ab3bc38ef01d980d74d0b4579006af92d15ea1
root c7240813a20cd9eaa7590fae501938782abf4c6e3fc568f5db8b27b31da206d5