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 -CAMARINES SUR 4TH D Award a ₱5.0M contract to HRB CONSTRUCTIONNational agencies

Transaction hash:

d8708dca2eeeb45445792c13e1373f482b3259b1846c05c7560828e040ee1361

Status:

Included and unchanged

Block:

#2,816 3,197 blocks after it

Position in block:

Transaction 150 of 174

Award day:

Aug 8, 2016 (10 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS -CAMARINES SUR 4TH D

To:

HRB CONSTRUCTION

Value:

₱5,015,195.12

Project:

16FG0047- Contract Package-XIII(1-2) – Constructio

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS -CAMARINES SUR 4TH D

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 #2,816 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 -CAMARINES SUR 4TH D awarded it to HRB CONSTRUCTION on 2016-08-08.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16FG0047: 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 2016-12-19). 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 d8708dca2e…ee1361now …
2. Block Merkle root changed
stored 8f860b8f3c…c93697now …
3. Block #2816 hash changed
stored 982e8c7396…f16be1now …

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

leaf d8708dca2eeeb45445792c13e1373f482b3259b1846c05c7560828e040ee1361
01 R da443cf82bc86cd9a2b452adcad4ca12c65a31643b40db9facd7e2aa40d024f2
02 L cc0587548e93aa34b8910379a1ddd11ee0ddc6f9c863413c24af46b5caf6f490
03 L dc089e57265aa30d446d9c0620cf4916668f2178ec12ff4ba58d971317cbd402
04 R a3e4040f473d31267393fe8d3cd2957620daf13020a1c219a86109182be8550e
05 L a5bf18afba5ba2c867d5d8e4ca5a3215d13b102058174af695f9cdbf275f2469
06 R 08c375c0798979f83bcfadd38b4018d1854a459a021605fbd943a988090b57b6
07 R 7156848682a0cc7bed65fdb42aca5beae1a153cb0e2b3c53bc4a8079007deeef
08 L 9490e3f7018df12022055d7ba0fc9277b5e187b9e1f340a6a99a70373c72327b
root 8f860b8f3cf268db789e3167f492b5a1fdd10796536637a52558952e42c93697