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 2ND DE Award a ₱4.8M contract to M3A CONSTRUCTIONNational agencies

Transaction hash:

f3d2182dc0bdb71d1445b08374f5c0571fc2a01b7094d1fb7618763157734d59

Status:

Included and unchanged

Block:

#1,461 4,552 blocks after it

Position in block:

Transaction 58 of 61

Award day:

May 23, 2012 (14 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-CAMARINES SUR 2ND DE

To:

M3A CONSTRUCTION

Value:

₱4,849,650.00

Project:

Contract I.D. 12FE0025-Concreting of Road, Paolbo-Binanuaanan Grande, Calabanga, Cam. Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-CAMARINES SUR 2ND DE

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 #1,461 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 2ND DE awarded it to M3A CONSTRUCTION on 2012-05-23.
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 f3d2182dc0…734d59now …
2. Block Merkle root changed
stored def8ddd6d0…f44f95now …
3. Block #1461 hash changed
stored ca6fff8308…0c6cb7now …

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

leaf f3d2182dc0bdb71d1445b08374f5c0571fc2a01b7094d1fb7618763157734d59
01 R f63b4a16c7b363db14473ac952c5d778f25dac43849294bb4c0da7f5865438d1
02 L 7aa2270525fef147f24b2f030323b08a02beafd150186361815acf8eb5ebcb34
03 R 31bafd89a974112b26d17e0260dfe9f9d3f0c7ce334756c16d4aeda6ef48f4fd
04 L f80eb4196d2296209bc390a5ede9f354363ac68c2bd02b3d2783b209a9a43d20
05 L 2665327d2bd97e02eddeeca4e072acf2be385c9fa6f20b963e94e6de0db05df0
06 L 51230bfaec2a4dcd98d508652d64f7bcead401278011af56e46d8bffbe51403b
root def8ddd6d0128b3d63aaea9295e1dd1fd06af2a3f324baf14ee208ebf3f44f95