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 ₱12.2M contract to L.A. CLAMOR CONSTRUCTIONNational agencies

Transaction hash:

5bc2791f6c2876d5e045654b48d4408d6674476e4eb6116652eddff52af4d01e

Status:

Included and unchanged

Block:

#1,220 4,793 blocks after it

Position in block:

Transaction 12 of 35

Award day:

Aug 18, 2011 (15 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND DEO

To:

L.A. CLAMOR CONSTRUCTION

Value:

₱12,216,542.47

Project:

Completion of San Roque Bridge II approaches incl. RROW and other related activities,Sta.3+855-Sta.4+151 (w/exceptions) KO116+143, Sariaya,Quezon

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 #1,220 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 2011-08-18.
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 5bc2791f6c…f4d01enow …
2. Block Merkle root changed
stored 59e21ff8fc…50be5cnow …
3. Block #1220 hash changed
stored 242af75018…607febnow …

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

leaf 5bc2791f6c2876d5e045654b48d4408d6674476e4eb6116652eddff52af4d01e
01 R 694b05b73e5979405a1f94846623bfaddb1f903bbd7684f792206ff7525448d9
02 R fe7b05e2347e9fb04649467f3518d8998f609b3f7a868ecc1abda89ba1e79c22
03 L 4831e2dee5eed65b9f309b5843c9a5b6b5db12d483857a391fe1af0c920646e1
04 L a669b234be742c9a455465431c6934848e34ff24d033c7b7976484e432542a50
05 R 5db48ec8b03130138608fe736258e321bfd958b58930951330c53ff04adf53e8
06 R ef24aee76518962a48d2beb79528d3235d4146781064017b17f4e408bfb01b56
root 59e21ff8fcf37cb3c33d541d18d351295e957edb81e9bf60339636164650be5c