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 - ABRA ED Award a ₱57.0M contract to 739 BUILDERSNational agencies

Transaction hash:

9bb246f03941ea89f10cf08c45d15eb9c4aa2d783222bf50a62f287d08bf7812

Status:

Included and unchanged

Block:

#4,447 1,566 blocks after it

Position in block:

Transaction 148 of 237

Award day:

May 11, 2021 (5 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ABRA ED

To:

739 BUILDERS

Value:

₱57,005,331.23

Project:

21PA0171

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ABRA ED

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 #4,447 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 "Regular Infra - GAA 2021 LP", i.e. the FY2021 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 - ABRA ED awarded it to 739 BUILDERS on 2021-05-11.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21PA0171: 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 2021-09-06). 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 9bb246f039…bf7812now …
2. Block Merkle root changed
stored 81e4cf7454…d2d9ffnow …
3. Block #4447 hash changed
stored 196579199c…0211d1now …

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

leaf 9bb246f03941ea89f10cf08c45d15eb9c4aa2d783222bf50a62f287d08bf7812
01 R 9ccb83cb31b32a8879f0363b2ad4fc7faf2609a2a643370916dd50cc104fbe3f
02 R a6f49c9755f904639cdccbf04738cb3305c3e1dc9296c8c31d5e268398375aa8
03 L a3dfa817fbce6bcf79da32c72cbd8ab665c68fcd1448349d111f4d9b7c534655
04 R 24555b40f43065a5202154c552f2b6fe52897334ff49002e8ed975ffc2943d37
05 L 5fbed5ec63739abff668bc7228573e335a286422fe5f0ab209d9f0c76017bdb0
06 R ec1c2c5b084bc1003a592795269ec923b7309be916957b8619e222b0478225af
07 R b6a7fb1b3920c36b91c1a15654466927854569bc5f32be798f334e4521fb2209
08 L 261b447acf2990c29f42057a3d05954d7f1c915d56b01ba98db8ca06f30d2009
root 81e4cf7454fc46f5c4535fd05a5803d27b509c91d55c1ca634929a5a1ad2d9ff