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 - COMPOSTELA VALLEY Award a ₱9.6M contract to VICENTE T. LAO CONSTRUCTIONNational agencies

Transaction hash:

f86c3d564cb27f705d8974d4cc0ab8c52d51bc9a5a512b6286a19ec995f934e2

Status:

Included and unchanged

Block:

#1,780 4,233 blocks after it

Position in block:

Transaction 103 of 105

Award day:

Jun 18, 2013 (13 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

To:

VICENTE T. LAO CONSTRUCTION

Value:

₱9,587,707.59

Project:

13LA0004, NOA, Contract, NTP

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

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 #1,780 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)
The award does not say which budget line pays for it.
Not published
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 - COMPOSTELA VALLEY awarded it to VICENTE T. LAO CONSTRUCTION on 2013-06-18.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
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)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 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 f86c3d564c…f934e2now …
2. Block Merkle root changed
stored 87ae418ab8…870badnow …
3. Block #1780 hash changed
stored b48d9840af…1e6205now …

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

leaf f86c3d564cb27f705d8974d4cc0ab8c52d51bc9a5a512b6286a19ec995f934e2
01 L f841ebfeacb5cda7fde5e61dd692f11b8c6aa7ed05e20607c39f16786d434785
02 L dc0fe167aad72d52fcefa9e74b61151f07c4a168e55b9d785f7cd1bb66edff0c
03 L 7719e2f872c0b50b281cc86e3e0a3aa7a027cd3f9fb56859f950ddd29321dfa7
04 R 89f6ee1c683b712e23e57edf106ff11f2b0b17fa637a619c9893a01bb2db387d
05 R 51ed64ead4959fe8c4eded6563011dede7a492616adece0a895809b79402e451
06 L d51dbea124f21e4181eddda95284ac308221fd172134c7ea8997b15927e3416a
07 L 054bd53cdfa11ac44c2f55794efccbdc587dad253667fa05468b76c4f997a242
root 87ae418ab82b24090fcbf7a53cd503b73e1c956b8747938d1e3c148c8e870bad