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

METROPOLITAN NAGA WATER DISTRICT Award a ₱3.7M contract to J-MARBELA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

ae3031bbae5e388e9e23e64a13e19cc65fb1772f8033b0bb7c655949c84ebc34

Status:

Included and unchanged

Block:

#1,539 4,474 blocks after it

Position in block:

Transaction 74 of 100

Award day:

Aug 22, 2012 (14 yrs 2 mo ago)

From:

METROPOLITAN NAGA WATER DISTRICT

To:

J-MARBELA CONSTRUCTION AND SUPPLY

Value:

₱3,743,141.99

Project:

FURNISHING OF LABOR AND MATERIALS FOR THE PIPE REPLACEMENT PROJECT AT M.T. VILLANUEVA (CROSSING PEÑAFRANCIA AVE.,-QUEBORAC ROAD,BRGY. BAGUMBAYAN SUR), BRGY. LIBOTON, NAGA CITY (RE-BIDDING)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

METROPOLITAN NAGA WATER DISTRICT

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 #1,539 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)
METROPOLITAN NAGA WATER DISTRICT awarded it to J-MARBELA CONSTRUCTION AND SUPPLY on 2012-08-22.
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 ae3031bbae…4ebc34now …
2. Block Merkle root changed
stored bd44a8b12b…3af3f4now …
3. Block #1539 hash changed
stored 0c0a5a1e31…390fb3now …

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

leaf ae3031bbae5e388e9e23e64a13e19cc65fb1772f8033b0bb7c655949c84ebc34
01 R ae31c54afdcd6735e54b714e14565ffe34b4d89b8423579384e9a1210a5e19ff
02 L f18b4f1833e4f4a686359994d2c8bb15bdd7018b22df25b60f110f88f31f0d66
03 R 4903c215700e24b90d8c3be31f1ea60a0f58395d27e13ab255ffe295e9c9d9a8
04 L 87d6b8e8c24cf3bfd4b1192e54172298f4e0af5d92eb953014a534e9d0725482
05 R 8077c3a90843b42ecda390ac52e4119244e7d4bc6ab99fadb2df0dc287aedc3a
06 R cb58018817bf6440b50f97d2675d2990951c9b7b71715f71dabdda872f116592
07 L 938063efca615745c97a37bc06934ede4fa45d11051e102cb87b3479dc2b277f
root bd44a8b12b7eb56c27d6b5d4028c32a6c2d65b49fafa7540faefcbab7c3af3f4