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 - CAGAYAN 2ND DEO Award a ₱2.6M contract to JOHN 6:51 BUILDERSNational agencies

Transaction hash:

502c410efe7628bb6ee255ea64fa7b561895bc0d4aeb55a13a5c93199baa96b5

Status:

Included and unchanged

Block:

#3,224 2,789 blocks after it

Position in block:

Transaction 83 of 251

Award day:

Oct 20, 2017 (9 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 2ND DEO

To:

JOHN 6:51 BUILDERS

Value:

₱2,573,242.62

Project:

17BC0198-Construction of 1 Storey 2 Classroom w/ C

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 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 #3,224 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 2017 DepEd BEFF", i.e. the FY2017 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 - CAGAYAN 2ND DEO awarded it to JOHN 6:51 BUILDERS on 2017-10-20.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17BC0198: 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 2018-07-01). 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 502c410efe…aa96b5now …
2. Block Merkle root changed
stored dff1339079…7519f2now …
3. Block #3224 hash changed
stored 102d9f0922…e8dc2fnow …

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

leaf 502c410efe7628bb6ee255ea64fa7b561895bc0d4aeb55a13a5c93199baa96b5
01 L 4f43860e2a3d547e73961780db7a590ffa008f74c833edaf51a9333bdc364209
02 L 038b79b62fdc2c4c95bcd13cc123a488fd9513b86d13e5eb6eae2f92b7ae81d1
03 R 19c868d129a2917eea7e6ddfe48a9d5ea43dd070347c6a8a1bf72f15b16148d0
04 R 642dd344a9355c2581887c5e336756bfbde7583b09d7b47887d75d12ddc0b5a5
05 L 3ff32e136d3de8e009c96d3c8fe7803f9dbd07748cb86fca320d997936556ef2
06 R b8984750bebba8719a40aac73d44e0e499d6534615d5e415de1babbd2c8cd411
07 L 3d427348414506107b4c9575640c670e0c230282cade6346003a74f8a42fc387
08 R 7f53922448c92b1d8b8251a9a94371a53e7b0a0c1b52188efdb7323b4a4bb8f0
root dff13390791d7d4354c91056421e76d97c95dda00ccf5deb93e8604a7e7519f2