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 - LANAO DEL NORTE 1S Award a ₱15.9M contract to PLD CONSTRUCTION AND DEVELOPMENT INC.National agencies

Transaction hash:

02afdedaf4846db51c484e3efdcc17ffbd4337ad6d9b5bcf5a5bf2d4dd1efe20

Status:

Included and unchanged

Block:

#4,516 1,497 blocks after it

Position in block:

Transaction 1 of 187

Award day:

Jul 23, 2021 (5 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 1S

To:

PLD CONSTRUCTION AND DEVELOPMENT INC.

Value:

₱15,909,617.86

Project:

21KG0011(Rebid)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 1S

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 #4,516 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 - LANAO DEL NORTE 1S awarded it to PLD CONSTRUCTION AND DEVELOPMENT INC. on 2021-07-23.
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 02afdedaf4…1efe20now …
2. Block Merkle root changed
stored e6ac7640d2…15efa3now …
3. Block #4516 hash changed
stored 218ee5a193…3af0bbnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 186 records. Each step hashes the current value together with the sibling shown.

leaf 02afdedaf4846db51c484e3efdcc17ffbd4337ad6d9b5bcf5a5bf2d4dd1efe20
01 L 00ab77502785131e11410d1d27246fb141104b8882aef369ee2ae0d258949b8b
02 R 1640508f27bc7b5a7f6d2089126418365a226f51cefb9c139d739b9891697adc
03 R 09634e9da151a54b730b266a44ee02d8af86877f0526812b9123f119bc7b613c
04 R 073b0ec1d29ac8876489b98afd858a5ebdb528cbb2a443af3a07fb0645e14942
05 R 7f9f1c1b1d556d6b1f05d9ea29eaa6eb3be4427c2f2483eef03de1fd07f9d4df
06 R 6e1f3d224563237e74a6b8b5ca4144fea2604b596da323f73539d244e51138a6
07 R 76175a042da307c2debaba21dd96820b3522eaac6f33de973fba5cadf3d0b85d
08 R 8949dca0d45a92dcb4fbe064c8724fab23b84cb314531e74856e226cf04858d1
root e6ac7640d20400f4201b312fd69d4de4df4f7e23c6d8eedbd58409f8b215efa3