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 ₱4.3M contract to AMMAR CONSTRUCTION AND ENTERPRISESNational agencies

Transaction hash:

2bffccf33e4b3c346bfa8b6c050b9f7d763eeeb45e58058e8a1abfd5d4588bab

Status:

Included and unchanged

Block:

#4,828 1,185 blocks after it

Position in block:

Transaction 29 of 157

Award day:

Jun 15, 2022 (4 yrs 5 mo ago)

From:

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

To:

AMMAR CONSTRUCTION AND ENTERPRISES

Value:

₱4,271,299.63

Project:

22KG0088(R)

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 #4,828 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 AMMAR CONSTRUCTION AND ENTERPRISES on 2022-06-15.
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 2bffccf33e…588babnow …
2. Block Merkle root changed
stored fd6b3d5b97…82b09dnow …
3. Block #4828 hash changed
stored 31ee5d7eeb…d0c315now …

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

leaf 2bffccf33e4b3c346bfa8b6c050b9f7d763eeeb45e58058e8a1abfd5d4588bab
01 L 2b3669abd5b3d75c169ff6838d0ff4fae4d9d2cee5cfce7483d1ba0988969047
02 R b875551cde5886088d436ac285399716bf91eb9cc50592f9ef85bfcf959da3f8
03 L 387e913c11bfb42ae614913a4e69a2e30d90b8703b8d6f2a7ece9c0d4d08e937
04 L 2387e61d92a8c9a94360fd1b9ecd13893263becf00c11263dcfa660a55b1f8bc
05 L 408c4aa0887b9d0bca07b5ee6a0a6cfa11e8928901f3cbce00397f390d3c44e2
06 R 559d1436a5fc507cdfc1a77e9e27a3ba940b166eef6ac95dab038fb77fb5b8c5
07 R 319ccde757c0421cfb32b2efb63bee1f8472fb880606da33f58ced6d8e681de7
08 R 42b5675cc1052913ab87579905f70e628286a3ada0ba3a72cced71d8f137f989
root fd6b3d5b97a34cc4799f7d34dd1c355f8b776043ab79964fbff65d659282b09d