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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND DEO Award a ₱2.0M contract to L.A. CLAMOR CONSTRUCTIONNational agencies

Transaction hash:

6bd37d99fb2bf44b2f1e20f66f508218996de764b8f1cd65284d77239650d729

Status:

Included and unchanged

Block:

#1,169 4,844 blocks after it

Position in block:

Transaction 27 of 55

Award day:

Jun 17, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND DEO

To:

L.A. CLAMOR CONSTRUCTION

Value:

₱1,959,949.08

Project:

Construction of Brgy. Health Center, Brgy. Ibabang Dupay,

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND DEO

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 #1,169 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)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND DEO awarded it to L.A. CLAMOR CONSTRUCTION on 2011-06-17.
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 6bd37d99fb…50d729now …
2. Block Merkle root changed
stored e63b321a7a…4f9434now …
3. Block #1169 hash changed
stored 7b9747dad8…cdd8e1now …

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

leaf 6bd37d99fb2bf44b2f1e20f66f508218996de764b8f1cd65284d77239650d729
01 L 65961c05ebfc938126bb7060c86719a0c8eef3231edaa789beeefdbd58327ab5
02 L 1bc65713792a9fdf507a1dcbce9eb0874f9a752de51ebe8b84738221363b3be0
03 R e019b15f3cd3b560c36023152986cf049a4fdef0dc83bda0615d2a1f37a836e9
04 L c7d04c5ff2acb433569daf77c52864a6f283cd847b2cc5a0d5c14d5d7fbac175
05 L c244202fa091eb8db3afb97599052bd2f999193c5097df0778b3b954656f3bee
06 R ae2c649cf99664e93c052c28a613b812a559bb0786f9d524a5832755b4a0ea78
root e63b321a7af707c1c802f2a4b3092cd7406f8bab64635342c8261448bd4f9434