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 - ALBAY 2ND DEO Award a ₱6.6M contract to MARCANT CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

b4c8cb9bd44dc4746a6cb450b0fe4a3a55957b84fd676d8af7687e599eba6e15

Status:

Included and unchanged

Block:

#2,909 3,104 blocks after it

Position in block:

Transaction 87 of 121

Award day:

Nov 18, 2016 (9 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

To:

MARCANT CONSTRUCTION & SUPPLY

Value:

₱6,617,633.53

Project:

Const 2STY4CL SB, Arimbay HS, Legazpi City, Albay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

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 #2,909 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)
DPWH lists the funding source as "Outside Infra - GAA 2016 DepED BEFF", i.e. the FY2016 GAA. The exact UACS line is not given.
Partly
Open
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 - ALBAY 2ND DEO awarded it to MARCANT CONSTRUCTION & SUPPLY on 2016-11-18.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16FB0083: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2017-04-05). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 b4c8cb9bd4…ba6e15now …
2. Block Merkle root changed
stored 4af697560d…fbe2a9now …
3. Block #2909 hash changed
stored e8b25bb022…29171anow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 120 records. Each step hashes the current value together with the sibling shown.

leaf b4c8cb9bd44dc4746a6cb450b0fe4a3a55957b84fd676d8af7687e599eba6e15
01 L abcce8ec1e880c2c6b8ebeae6abc3d9741fbdaa75ac703adcfb3c3f4aab26bb8
02 L 1e5544e35c7a4859981e6acc1a3869134f5ed1f51fe279945ba0248b176782c7
03 L b86a39fa088e38d9abd48c4ecb7d35432323bcda384f92d66a8da5f09d77d68e
04 R a05e8287bc788c5c4aa2a16da11cca93e5ef4b82cea69b759c3099c29be4b647
05 L 16a317334f918ffa5bb3a54a9b8c91419642de6cbae50a5e07ba906523426995
06 R b018668cb4620dae97da60bb54103375eb71b6e7464e679f32b42a9e9f7d5deb
07 L 0385f777cd3bc199559cd5c7836710247d6ce563f2edd204dc6c512447c3db72
root 4af697560df493cc9d4e9eee7066d21bcf7c3c0ae2fab3e8aed041bf87fbe2a9