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 ₱557.9K contract to MINDANAO CONSTRUCTION SERVICES & LAND DEVELOPMENT CORPORATIONCities

Transaction hash:

9a6bd4f2048a408dff6d64af5cf67a95c26f457e75c14f122d46785b23a095e0

Status:

Included and unchanged

Block:

#1,087 4,926 blocks after it

Position in block:

Transaction 16 of 32

Award day:

Mar 3, 2011 (15 yrs 8 mo ago)

From:

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE

To:

MINDANAO CONSTRUCTION SERVICES & LAND DEVELOPMENT CORPORATION

Value:

₱557,886.15

Project:

Construction of Barangay Stage (Phase1) San Jose, Samal 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 #1,087 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 2011-03-03.
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 9a6bd4f204…a095e0now …
2. Block Merkle root changed
stored a4893126d3…5c8c29now …
3. Block #1087 hash changed
stored 2fab6bbb56…d65a20now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 31 records. Each step hashes the current value together with the sibling shown.

leaf 9a6bd4f2048a408dff6d64af5cf67a95c26f457e75c14f122d46785b23a095e0
01 R a4b332cb9a59dd7714e5f5b8ce458ac0ad27d6fbcdd0ff51039bcd295d16a7a4
02 R d1549a136d82e6d43b31a0dea4a3a4ffbadfbed9418fcac9dfc1ccee21bb62b3
03 R 5929e93e0afc8d3f4cb18ca8ebe46726c9a63a11dc22484408e54daed364a7a3
04 R c2bf2e5716abac30d2fc593a4b316db7529211ddfb4de7cab3eadd6543e26762
05 L d70f12303aef87b719648042cf83a4ae6f5639e244ba4cc37206f1786b52efa4
root a4893126d37ae5b735da67b9a8fc4a12701f17d6b165409849a9f0b2815c8c29