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 - MPDEO Award a ₱8.4M contract to MELECIO CONSTRUCTIONNational agencies

Transaction hash:

a462b4e61ce7cde027e731ef0a0dcfae215d73554df70343a99ebf97db65fa2a

Status:

Included and unchanged

Block:

#3,610 2,403 blocks after it

Position in block:

Transaction 108 of 186

Award day:

Dec 4, 2018 (7 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MPDEO

To:

MELECIO CONSTRUCTION

Value:

₱8,382,695.65

Project:

18PI0066

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MPDEO

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 #3,610 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 2018 LP", i.e. the FY2018 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 - MPDEO awarded it to MELECIO CONSTRUCTION on 2018-12-04.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 18PI0066: 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 2019-08-25). 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 a462b4e61c…65fa2anow …
2. Block Merkle root changed
stored 6c1f9fba10…e150b5now …
3. Block #3610 hash changed
stored d4349556ab…a7cb1anow …

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

leaf a462b4e61ce7cde027e731ef0a0dcfae215d73554df70343a99ebf97db65fa2a
01 R a548022afbed200787c027e46fdbc92b1f28d065a45374626b5697d2b695773c
02 R d1258448df0af955dc076b1a16925e8bedc2f8950ae6e62656c1fba44d70d73c
03 L 31c40acde4773fc7dcbb565b9bf9a6e45d04e362132d6578d747907e8568a3f9
04 L 89a8b40d7bbab2387715e77f141cd8479374578496829e81d671a351919fae4e
05 R d6a34225d2d453ef2660db6c57fcc891936739f0d93a229b388acf5d39ba4d83
06 L 78579378cf6ed9d88145fff95fd7eb079228140ece36e6c3ca0226abf53459d1
07 L 5509fb83c7d95d7553129b8f4cf9bc80d7146d739b1bff70d5d2db187fa1e460
08 R 33a7c186f56b941b10354bd55e660790c4c5203a8a2c1b91203fba878b4aadc6
root 6c1f9fba102e894695a74559fd6746b22679ce1d4d7a656993041c6b3ee150b5