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

PHILIPPINE PORTS AUTHORITY - PMO CALAPAN Award a ₱8.0M contract to MRBII CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

f81dbc4eb0f8202bb73c7ac394c2eedfdeff801327f8c7ba6796312f9863a8aa

Status:

Included and unchanged

Block:

#1,545 4,468 blocks after it

Position in block:

Transaction 54 of 56

Award day:

Aug 30, 2012 (14 yrs 2 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO CALAPAN

To:

MRBII CONSTRUCTION CORPORATION

Value:

₱7,979,300.95

Project:

Repair of RoRo Ramp No. 2, Port of Abra de Ilog, Occidental Mindoro

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY - PMO CALAPAN

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 #1,545 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)
PHILIPPINE PORTS AUTHORITY - PMO CALAPAN awarded it to MRBII CONSTRUCTION CORPORATION on 2012-08-30.
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 f81dbc4eb0…63a8aanow …
2. Block Merkle root changed
stored 6ad5f8bb67…b4ed66now …
3. Block #1545 hash changed
stored e5df2df70c…d18399now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 55 records. Each step hashes the current value together with the sibling shown.

leaf f81dbc4eb0f8202bb73c7ac394c2eedfdeff801327f8c7ba6796312f9863a8aa
01 R f9b68e8d4dc9f8ba1efa931b5bde07f6a1c76c2ec418c24b439cc8534ddf5da0
02 L f597b71ed39a7012d38988ec6f8a1c4fd0aee5d8b7a96d8f15937cc802c484ad
03 L 4eeb477c049efc33943220cd78495d39c8dde459fd4fab3aee57e60b06869713
04 R 2312f871174f24f3188f342260e274b1c25a937f1e4f840029af64e59f98e7f7
05 L 3acf9a1caff7d144b67cc9475c115abb8c08cd812871f35f37953736b4396b09
06 L 0058f15187176ebd5064b242fa0fc30b493596700cda35d66c6d4b78620083c7
root 6ad5f8bb67052629d16a8c4b99b7e20558ffad2819c5a5cde34a848925b4ed66