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

MUNICIPALITY OF MARAGUSAN COMPOSTELA VALLEY Award a ₱2.4M contract to DAVAO CONCRETE PRODUCTSMunicipalities

Transaction hash:

199c407d0b52073bf2f5c82f5fca9d82dfc58d6e547a0e4c5f14a12c6a7c4348

Status:

Included and unchanged

Block:

#1,534 4,479 blocks after it

Position in block:

Transaction 6 of 51

Award day:

Aug 15, 2012 (14 yrs 2 mo ago)

From:

MUNICIPALITY OF MARAGUSAN COMPOSTELA VALLEY

To:

DAVAO CONCRETE PRODUCTS

Value:

₱2,377,792.00

Project:

labor and Materials Construction of Tangkalaw Level II Water System

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

MUNICIPALITY OF MARAGUSAN 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 #1,534 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)
MUNICIPALITY OF MARAGUSAN COMPOSTELA VALLEY awarded it to DAVAO CONCRETE PRODUCTS on 2012-08-15.
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 199c407d0b…7c4348now …
2. Block Merkle root changed
stored b9b076d9d5…567e75now …
3. Block #1534 hash changed
stored 06b4c49536…feb854now …

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

leaf 199c407d0b52073bf2f5c82f5fca9d82dfc58d6e547a0e4c5f14a12c6a7c4348
01 R 1e92a47a99fe9d75b725f9bc8a3e20abe6f0d30f6b8f446c2eee35988cc13bb1
02 L 8d4d053aab4a5f1db6718986615990a5d0b4cc5cab7b70bdc3b744a6be578b74
03 L f94ae115fa4599c5fdc68f6f0734e52ad7f47adb3af62bff0ca24f6cf9bc8ce2
04 R 9d401a465d2a910b41ae306fa0a6c634ef68f2c47b920a8c4c8d75ca2c54a471
05 R 216d0e48ec82671886abbab3e4910e8d1174afcd77c4f144c7ae53275954e18c
06 R eba3efc9fd180d1e554ee34866dfd1b5fd584958360edb18a075349452156088
root b9b076d9d559e2e56f705ad611ed38419c7f3980c5cdded1791c0b6d15567e75