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 - SDN 1ST DEO Award a ₱3.2M contract to GC BUILDERSNational agencies

Transaction hash:

d985b3d2636f042eb2cd3d339da8b8bae839a48db7465fc8f79b1eaf4e1045e7

Status:

Included and unchanged

Block:

#3,274 2,739 blocks after it

Position in block:

Transaction 311 of 372

Award day:

Dec 14, 2017 (8 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 1ST DEO

To:

GC BUILDERS

Value:

₱3,201,112.53

Project:

17NF0046

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 1ST 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 #3,274 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 - SDN 1ST DEO awarded it to GC BUILDERS on 2017-12-14.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17NF0046: 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 2018-04-07). 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 d985b3d263…1045e7now …
2. Block Merkle root changed
stored a81d4e3db5…2fa0cdnow …
3. Block #3274 hash changed
stored d1d96acc84…aa5ae0now …

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

leaf d985b3d2636f042eb2cd3d339da8b8bae839a48db7465fc8f79b1eaf4e1045e7
01 L d976b1f842ae4b0076f350de8d49381f2b41ff0395de40a547e6a36a2adb85ff
02 L 66f7097cdb92429e7fdd61e6a8c352a65be7b50cfa04b4362b925ef8b7dbd30a
03 L 3d94cb1b29e7893a17c6aadf46869ad543a6201bf259790286045aa5cdfe5b42
04 R 5577174815bd7076bf911e1bd9a268b90da9edf7a8e18a0a52dd6e230d6c11c2
05 L 272e18e879fd5614514ccab8e6b4cce5724b77da7b5e21ba6f85be0e9630af92
06 L 97f8a4e6594563992fe4f6ae28d618d1066db2a1e595642051a9c0f34ff137ab
07 R 146b4f0e520f17cec3b1f9935d6a3a8ec04316784d71b6665eecbcd45b6edbe1
08 R f0c23cc97945bbe9a249edb41469f065e7e6878b122083c46725fafaf966f71f
09 L 6f7971640f9ba5ad629134870c63896ec799074fc19ba6161f14582323913923
root a81d4e3db576df08180ac64553acbde5799f3838a9d83c72eed20aceb22fa0cd