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

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE Award a ₱2.8M contract to MINDANAO CONSTRUCTION SERVICES & LAND DEVELOPMENT CORPORATIONCities

Transaction hash:

bc8dfe209d4ae1498a724f73a89f1a7d0783a0651db96f5f9e97fdb77b8375a6

Status:

Included and unchanged

Block:

#1,521 4,492 blocks after it

Position in block:

Transaction 58 of 82

Award day:

Jul 31, 2012 (14 yrs 3 mo ago)

From:

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE

To:

MINDANAO CONSTRUCTION SERVICES & LAND DEVELOPMENT CORPORATION

Value:

₱2,779,131.42

Project:

Construction of Waste Water Treatment Plant at Slaughter House, San Agustin, Babak District, Island Garden City of Samal

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE

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 #1,521 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)
CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE awarded it to MINDANAO CONSTRUCTION SERVICES & LAND DEVELOPMENT CORPORATION on 2012-07-31.
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 bc8dfe209d…8375a6now …
2. Block Merkle root changed
stored 95cd13e6ab…fc46dfnow …
3. Block #1521 hash changed
stored 48c377120e…60fbd6now …

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

leaf bc8dfe209d4ae1498a724f73a89f1a7d0783a0651db96f5f9e97fdb77b8375a6
01 R be5f96326ab892ed3b7dbcaa3aa9535a06fe60e4d2c8e078728a4e6f6abe2a2b
02 L 643ef85042a283388e12330de31e537d081e8fda9288a91a878cb33f66767851
03 R f5363f5d9148326c473a719dd828e7202c2d9bcb84250f1787bb16c908ae9a8c
04 L 63f713419d5e1d4f9d8bab5b4f16dbd362fa50303b22242e25857119c002ba4b
05 L d78b3f3bf9cf7bb5833deb1448f9fa53bc412c8e9f6b88668fa6fab31f6d18b3
06 L 3e2f87ba0cda4095b9b4a95dec1e2d34953c78d8edb21d59fc8b2a150c084564
07 R e8f99042002166f2a831916b39ce6e038c14bc91403c9d62bf3f03f5f7faa312
root 95cd13e6ab358adede2adae59e304197fca066bc0e178ac6b3067d9943fc46df