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 - ILOCOS SUR 2ND DEO Award a ₱2.0M contract to POLO ENGINEERING AND CONSTRUCTIONNational agencies

Transaction hash:

7fd1967ebda7d4dfa806946e30829fa5d236e216528cc8508c1e2fb4acc43064

Status:

Included and unchanged

Block:

#2,876 3,137 blocks after it

Position in block:

Transaction 59 of 103

Award day:

Oct 12, 2016 (10 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 2ND DEO

To:

POLO ENGINEERING AND CONSTRUCTION

Value:

₱1,974,894.84

Project:

16AD0060 (RE BID)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 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 #2,876 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 DA Farm-to-Market Roads", 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 - ILOCOS SUR 2ND DEO awarded it to POLO ENGINEERING AND CONSTRUCTION on 2016-10-12.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16AD0060: 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 2016-12-23). 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 7fd1967ebd…c43064now …
2. Block Merkle root changed
stored a50e023e80…7cbdd3now …
3. Block #2876 hash changed
stored 715d1c6535…6cbf18now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 102 records. Each step hashes the current value together with the sibling shown.

leaf 7fd1967ebda7d4dfa806946e30829fa5d236e216528cc8508c1e2fb4acc43064
01 L 7d84ccd9af32545e7506625f8fa51736c5e380252697cf504463451315722e6d
02 L 6f2e1e1d592df90fd8e3826885afaa6826b218f15a217704b19ae1f446ed87f0
03 R 81b6832247d922976e21fa01c8e0ece5058323055d385bb652ef3c9cd1fe0dbe
04 L 2bdc995fa0cecc01abf69bcff19195d169bd2a45b0c5bc1d98206fa85e0b340b
05 L 4ca398b7dc7ac7ba13b25b79bf895a346b8cea5756d843ab46005a665dc5b31a
06 L 0ea70a60aa56918ea3929c2f83665339c6d467c05da191d347495258eb3ce2cd
07 R 73a49ea8052a804ff65e1f590362d1d8ea21ca98c537b6cfb1eff7a1f8a24b90
root a50e023e8057bd2546269fc80a8b3e56de6b5a771a05624d00280164b37cbdd3