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 - BOHOL 3RD DEO Award a ₱4.3M contract to WBV CONSTRUCTIONNational agencies

Transaction hash:

2e74a8e89330c41a08f687e8334b7b2cab6d1e3c07c7902b2452e4dc9213e2a2

Status:

Included and unchanged

Block:

#4,203 1,810 blocks after it

Position in block:

Transaction 66 of 325

Award day:

Aug 25, 2020 (6 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 3RD DEO

To:

WBV CONSTRUCTION

Value:

₱4,299,978.81

Project:

20HB0172

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 3RD 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 #4,203 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 2020 DepEd BEFF", i.e. the FY2020 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 - BOHOL 3RD DEO awarded it to WBV CONSTRUCTION on 2020-08-25.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20HB0172: 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 2021-01-05). 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 2e74a8e893…13e2a2now …
2. Block Merkle root changed
stored ffde5f1ce9…313f20now …
3. Block #4203 hash changed
stored b8d0659a75…9c234enow …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 324 records. Each step hashes the current value together with the sibling shown.

leaf 2e74a8e89330c41a08f687e8334b7b2cab6d1e3c07c7902b2452e4dc9213e2a2
01 R 2f659792139b30071446c845fc566db9614284f10114e17b5d5b2498c7185ea6
02 L e81c6b5d4c40782c1cb0bcdf84fdaae37f61e3df03c06a3c4d170245e20152cd
03 R e3b59657891dd551d31af370fb9d6b35c17ac19e33d04750514f2064676c5706
04 R 0db9b945264f44667a9a5e3907ae220a5c4f01a5b8497dcd31682cd1c3b1ad58
05 R dfb5f35e7ff246fb6fb780b075dff43479c28ad6e99899da3e6b3704799107fc
06 R e9a8a6ae2661225872dacf46ef5c03417b404163bfb5eb4323f3368e35b95b3f
07 L 4318f8d5e95bfd2e4326ca3e2498ba0959641cae625fb355b5d43d133604d312
08 R 1b7e9d1535f999622d60a775f7f47e3dc703b968e16a6fe8fbc5dcb070f7b64c
09 R a0c99c7ad43fe52af8e822bcfa247ddde6b91f7786f1e8e28c2d30a24d53efba
root ffde5f1ce9fc9932103b9c0b0ac32571249a7826627bd80de20ee88925313f20