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 - NORTH COTABATO 1ST Award a ₱2.9M contract to LLABAN CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

db62e288cc095985c2c79bc01d8cbb5d16c9c108ee92a185a45783f730e6ea6a

Status:

Included and unchanged

Block:

#4,266 1,747 blocks after it

Position in block:

Transaction 73 of 86

Award day:

Oct 30, 2020 (6 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH COTABATO 1ST

To:

LLABAN CONSTRUCTION AND SUPPLY

Value:

₱2,851,199.60

Project:

20MC0068

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH COTABATO 1ST

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 #4,266 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 - NORTH COTABATO 1ST awarded it to LLABAN CONSTRUCTION AND SUPPLY on 2020-10-30.
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 db62e288cc…e6ea6anow …
2. Block Merkle root changed
stored 70b800702f…89db0fnow …
3. Block #4266 hash changed
stored 86c6aae537…f819e9now …

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

leaf db62e288cc095985c2c79bc01d8cbb5d16c9c108ee92a185a45783f730e6ea6a
01 L d9f8b7e5efe0504080acd168f841736f3f309efdec6b0e2e8d6bd1abc9c986c2
02 R 116f411b6a8f2c7e9ef862c11b03eecce8a9f9dae1d5744a3daea5bab018375c
03 R 43db8c9d26e986a6bc7cadf3e96decb679b715324f4b6f4eaf9f3f643e2605e2
04 L 1ea48b4ed003551056c7416717ef097124d5cbf0133ea00c679f2f7b66facb02
05 R e2d9b90aeddd0be27371da9e9e7500d5d3bb3d7686eff0c7b5716ddfa5329eae
06 R 357bcd52332752845547e3d5a61842cf6a18c16d38241b9cfab3a5a859897d4e
07 L b3d7e235f5b464b8861c3f965e4075ed0de416edde9e086c5193b757254024c1
root 70b800702f18355cd303a7ecb642fa242adb74652ee3dd7d5e9da1016489db0f