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 - REGION IX Award a ₱105.0M contract to 2M CONSTRUCTION AND ENTERPRISESNational agencies

Transaction hash:

57357c55cdbcfcf72fee4dc83ac0d67898a1506e9b1d4e9b41b36fd0c1ac0a56

Status:

Included and unchanged

Block:

#4,724 1,289 blocks after it

Position in block:

Transaction 18 of 50

Award day:

Feb 19, 2022 (4 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IX

To:

2M CONSTRUCTION AND ENTERPRISES

Value:

₱105,007,582.32

Project:

22J00057

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IX

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 #4,724 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 - REGION IX awarded it to 2M CONSTRUCTION AND ENTERPRISES on 2022-02-19.
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 57357c55cd…ac0a56now …
2. Block Merkle root changed
stored 62b98a7071…d8aabenow …
3. Block #4724 hash changed
stored 3c3d5e5cdc…6ed456now …

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

leaf 57357c55cdbcfcf72fee4dc83ac0d67898a1506e9b1d4e9b41b36fd0c1ac0a56
01 R 5cafd539713adf5131ac30126f3946634e1a4c038f2fded931ff2130159173a3
02 L bb1c0e3c17dfff1d20015b3a4f16be526587278e98fdc37c86799668b5b15616
03 R 5abacfcdf0d0c998809cc290c53db469d34473b4d0eacaeaaf5efb2330eea7a2
04 R 0c9076b1be2a3312d194feaf0204c52e5b0dcd2f40b981357594921f143593a4
05 L 84c19672e4114eea778469bb248aceb6eb837ca1768d3b6908cd1129c24d55ff
06 R 8c27cbdf6e5bf59af28a29204e52dbc7f4d965d5f3d514ebf2b8d84fcedfc4e4
root 62b98a707122b2446bb33071ff07da2de70f7b7cb5aaba4f774136acadd8aabe