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 - CAMARINES SUR 5TH Award a ₱4.6M contract to LAHDETH CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

a047d4a51148f803b1bcfcbc1b56b6ef528ba5840fccbf65557bca21d2bc69d1

Status:

Included and unchanged

Block:

#3,982 2,031 blocks after it

Position in block:

Transaction 24 of 45

Award day:

Dec 31, 2019 (6 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMARINES SUR 5TH

To:

LAHDETH CONSTRUCTION AND SUPPLY

Value:

₱4,632,000.00

Project:

Concreting of Provincial Road from Brgy. Cabanban to Brgy. Pulang Daga. Balatan. Camarines Sur (Sta. 0+000.00 - Star 0+480.00)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMARINES SUR 5TH

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 #3,982 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 - CAMARINES SUR 5TH awarded it to LAHDETH CONSTRUCTION AND SUPPLY on 2019-12-31.
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 a047d4a511…bc69d1now …
2. Block Merkle root changed
stored 40bf095424…ac5f19now …
3. Block #3982 hash changed
stored 09e457fa04…4c256enow …

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

leaf a047d4a51148f803b1bcfcbc1b56b6ef528ba5840fccbf65557bca21d2bc69d1
01 R a79a77396d324aaee3a6057c22b44ae426810b6670784b585336fb6388e471d0
02 R 1990b8dbbbecc21496d027d4be35b587b2dc51189d94971e75eca0142565e57d
03 R d94a213612bb14d2de974396fea0a157278c43009231f710c440105359c16ddb
04 L 28e7fec87e189bf2184f169a17afe1f8e61fca4e4a155b6f7438ccd19afb28a8
05 L 2d3496432f28b31dcc972a37be9f8b21548cc7e3de6f16610f61354a6184bbe1
06 R 588b2abc8d6266685bb9fe457e17fba59f04bbdc7d13b2bb1d72b42093e2f4e7
root 40bf095424ab968f5ae3664f09d383c48f734c072936d8217fad46ebdeac5f19